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Side by Side Diff: third_party/WebKit/Source/platform/audio/mac/FFTFrameMac.cpp

Issue 2807593003: Revert of Convert RELEASE_ASSERT()/ASSERT(...) to CHECK()/DCHECK_op(...) in platform/audio (Closed)
Patch Set: Created 3 years, 8 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
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42 42
43 FFTSetup* FFTFrame::fftSetups = nullptr; 43 FFTSetup* FFTFrame::fftSetups = nullptr;
44 44
45 // Normal constructor: allocates for a given fftSize 45 // Normal constructor: allocates for a given fftSize
46 FFTFrame::FFTFrame(unsigned fftSize) 46 FFTFrame::FFTFrame(unsigned fftSize)
47 : m_realData(fftSize), m_imagData(fftSize) { 47 : m_realData(fftSize), m_imagData(fftSize) {
48 m_FFTSize = fftSize; 48 m_FFTSize = fftSize;
49 m_log2FFTSize = static_cast<unsigned>(log2(fftSize)); 49 m_log2FFTSize = static_cast<unsigned>(log2(fftSize));
50 50
51 // We only allow power of two 51 // We only allow power of two
52 DCHECK_EQ(1UL << m_log2FFTSize, m_FFTSize); 52 ASSERT(1UL << m_log2FFTSize == m_FFTSize);
53 53
54 // Lazily create and share fftSetup with other frames 54 // Lazily create and share fftSetup with other frames
55 m_FFTSetup = fftSetupForSize(fftSize); 55 m_FFTSetup = fftSetupForSize(fftSize);
56 56
57 // Setup frame data 57 // Setup frame data
58 m_frame.realp = m_realData.data(); 58 m_frame.realp = m_realData.data();
59 m_frame.imagp = m_imagData.data(); 59 m_frame.imagp = m_imagData.data();
60 } 60 }
61 61
62 // Creates a blank/empty frame (interpolate() must later be called) 62 // Creates a blank/empty frame (interpolate() must later be called)
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109 VectorMath::vsmul(data, 1, &scale, data, 1, m_FFTSize); 109 VectorMath::vsmul(data, 1, &scale, data, 1, m_FFTSize);
110 } 110 }
111 111
112 FFTSetup FFTFrame::fftSetupForSize(unsigned fftSize) { 112 FFTSetup FFTFrame::fftSetupForSize(unsigned fftSize) {
113 if (!fftSetups) { 113 if (!fftSetups) {
114 fftSetups = (FFTSetup*)malloc(sizeof(FFTSetup) * kMaxFFTPow2Size); 114 fftSetups = (FFTSetup*)malloc(sizeof(FFTSetup) * kMaxFFTPow2Size);
115 memset(fftSetups, 0, sizeof(FFTSetup) * kMaxFFTPow2Size); 115 memset(fftSetups, 0, sizeof(FFTSetup) * kMaxFFTPow2Size);
116 } 116 }
117 117
118 int pow2size = static_cast<int>(log2(fftSize)); 118 int pow2size = static_cast<int>(log2(fftSize));
119 DCHECK_LT(pow2size, kMaxFFTPow2Size); 119 ASSERT(pow2size < kMaxFFTPow2Size);
120 if (!fftSetups[pow2size]) 120 if (!fftSetups[pow2size])
121 fftSetups[pow2size] = vDSP_create_fftsetup(pow2size, FFT_RADIX2); 121 fftSetups[pow2size] = vDSP_create_fftsetup(pow2size, FFT_RADIX2);
122 122
123 return fftSetups[pow2size]; 123 return fftSetups[pow2size];
124 } 124 }
125 125
126 void FFTFrame::initialize() {} 126 void FFTFrame::initialize() {}
127 127
128 void FFTFrame::cleanup() { 128 void FFTFrame::cleanup() {
129 if (!fftSetups) 129 if (!fftSetups)
130 return; 130 return;
131 131
132 for (int i = 0; i < kMaxFFTPow2Size; ++i) { 132 for (int i = 0; i < kMaxFFTPow2Size; ++i) {
133 if (fftSetups[i]) 133 if (fftSetups[i])
134 vDSP_destroy_fftsetup(fftSetups[i]); 134 vDSP_destroy_fftsetup(fftSetups[i]);
135 } 135 }
136 136
137 free(fftSetups); 137 free(fftSetups);
138 fftSetups = nullptr; 138 fftSetups = nullptr;
139 } 139 }
140 140
141 } // namespace blink 141 } // namespace blink
142 142
143 #endif // #if OS(MACOSX) 143 #endif // #if OS(MACOSX)
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