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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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30 | 30 |
31 #if ENABLE(WEB_AUDIO) | 31 #if ENABLE(WEB_AUDIO) |
32 | 32 |
33 #include "HRTFElevation.h" | 33 #include "HRTFElevation.h" |
34 | 34 |
35 #include "AudioBus.h" | 35 #include "AudioBus.h" |
36 #include "AudioFileReader.h" | 36 #include "AudioFileReader.h" |
37 #include "Biquad.h" | 37 #include "Biquad.h" |
38 #include "FFTFrame.h" | 38 #include "FFTFrame.h" |
39 #include "HRTFPanner.h" | 39 #include "HRTFPanner.h" |
40 #include "PlatformMemoryInstrumentation.h" | |
41 #include <algorithm> | 40 #include <algorithm> |
42 #include <math.h> | 41 #include <math.h> |
43 #include <wtf/MemoryInstrumentationVector.h> | |
44 #include <wtf/OwnPtr.h> | 42 #include <wtf/OwnPtr.h> |
45 | 43 |
46 using namespace std; | 44 using namespace std; |
47 | 45 |
48 namespace WebCore { | 46 namespace WebCore { |
49 | 47 |
50 const unsigned HRTFElevation::AzimuthSpacing = 15; | 48 const unsigned HRTFElevation::AzimuthSpacing = 15; |
51 const unsigned HRTFElevation::NumberOfRawAzimuths = 360 / AzimuthSpacing; | 49 const unsigned HRTFElevation::NumberOfRawAzimuths = 360 / AzimuthSpacing; |
52 const unsigned HRTFElevation::InterpolationFactor = 8; | 50 const unsigned HRTFElevation::InterpolationFactor = 8; |
53 const unsigned HRTFElevation::NumberOfTotalAzimuths = NumberOfRawAzimuths * Inte
rpolationFactor; | 51 const unsigned HRTFElevation::NumberOfTotalAzimuths = NumberOfRawAzimuths * Inte
rpolationFactor; |
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267 | 265 |
268 int azimuthIndex2 = (azimuthIndex + 1) % numKernels; | 266 int azimuthIndex2 = (azimuthIndex + 1) % numKernels; |
269 double frameDelay2L = m_kernelListL->at(azimuthIndex2)->frameDelay(); | 267 double frameDelay2L = m_kernelListL->at(azimuthIndex2)->frameDelay(); |
270 double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay(); | 268 double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay(); |
271 | 269 |
272 // Linearly interpolate delays. | 270 // Linearly interpolate delays. |
273 frameDelayL = (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay
2L; | 271 frameDelayL = (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay
2L; |
274 frameDelayR = (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay
2R; | 272 frameDelayR = (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay
2R; |
275 } | 273 } |
276 | 274 |
277 void HRTFElevation::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const | |
278 { | |
279 MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::AudioShare
dData); | |
280 info.addMember(m_kernelListL, "kernelListL"); | |
281 info.addMember(m_kernelListR, "kernelListR"); | |
282 } | |
283 | |
284 } // namespace WebCore | 275 } // namespace WebCore |
285 | 276 |
286 #endif // ENABLE(WEB_AUDIO) | 277 #endif // ENABLE(WEB_AUDIO) |
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