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Side by Side Diff: Source/platform/audio/ipp/FFTFrameIPP.cpp

Issue 400543004: Rename WebCore namespace to blink in Platform (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved. 2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2012 Intel Inc. All rights reserved. 3 * Copyright (C) 2012 Intel Inc. All rights reserved.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions 6 * modification, are permitted provided that the following conditions
7 * are met: 7 * are met:
8 * 8 *
9 * 1. Redistributions of source code must retain the above copyright 9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer. 10 * notice, this list of conditions and the following disclaimer.
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30 #include "config.h" 30 #include "config.h"
31 31
32 #if ENABLE(WEB_AUDIO) 32 #if ENABLE(WEB_AUDIO)
33 33
34 #if USE(WEBAUDIO_IPP) 34 #if USE(WEBAUDIO_IPP)
35 35
36 #include "platform/audio/FFTFrame.h" 36 #include "platform/audio/FFTFrame.h"
37 37
38 #include "wtf/MathExtras.h" 38 #include "wtf/MathExtras.h"
39 39
40 namespace WebCore { 40 namespace blink {
41 41
42 const unsigned maximumFFTPower2Size = 24; 42 const unsigned maximumFFTPower2Size = 24;
43 43
44 // Normal constructor: allocates for a given fftSize. 44 // Normal constructor: allocates for a given fftSize.
45 FFTFrame::FFTFrame(unsigned fftSize) 45 FFTFrame::FFTFrame(unsigned fftSize)
46 : m_FFTSize(fftSize) 46 : m_FFTSize(fftSize)
47 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize))) 47 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize)))
48 , m_complexData(fftSize) 48 , m_complexData(fftSize)
49 , m_realData(fftSize / 2) 49 , m_realData(fftSize / 2)
50 , m_imagData(fftSize / 2) 50 , m_imagData(fftSize / 2)
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139 int len = m_FFTSize >> 1; 139 int len = m_FFTSize >> 1;
140 // Merge the real and imagimary vectors to complex vector. 140 // Merge the real and imagimary vectors to complex vector.
141 Ipp32f* realP = m_realData.data(); 141 Ipp32f* realP = m_realData.data();
142 Ipp32f* imagP = m_imagData.data(); 142 Ipp32f* imagP = m_imagData.data();
143 Ipp32fc* complexP = reinterpret_cast<Ipp32fc*>(m_complexData.data()); 143 Ipp32fc* complexP = reinterpret_cast<Ipp32fc*>(m_complexData.data());
144 ippsRealToCplx_32f(realP, imagP, complexP, len); 144 ippsRealToCplx_32f(realP, imagP, complexP, len);
145 145
146 return const_cast<float*>(m_complexData.data()); 146 return const_cast<float*>(m_complexData.data());
147 } 147 }
148 148
149 } // namespace WebCore 149 } // namespace blink
150 150
151 #endif // USE(WEBAUDIO_IPP) 151 #endif // USE(WEBAUDIO_IPP)
152 152
153 #endif // ENABLE(WEB_AUDIO) 153 #endif // ENABLE(WEB_AUDIO)
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