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

Issue 2547053003: s/ passed(...) / WTF::passed(...) / to avoid future ambiguity w/ base::Passed. (Closed)
Patch Set: Rebasing... Created 4 years 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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88 for (unsigned i = truncatedResponseLength - numberOfFadeOutFrames; 88 for (unsigned i = truncatedResponseLength - numberOfFadeOutFrames;
89 i < truncatedResponseLength; ++i) { 89 i < truncatedResponseLength; ++i) {
90 float x = 1.0f - 90 float x = 1.0f -
91 static_cast<float>( 91 static_cast<float>(
92 i - (truncatedResponseLength - numberOfFadeOutFrames)) / 92 i - (truncatedResponseLength - numberOfFadeOutFrames)) /
93 numberOfFadeOutFrames; 93 numberOfFadeOutFrames;
94 impulseResponse[i] *= x; 94 impulseResponse[i] *= x;
95 } 95 }
96 } 96 }
97 97
98 m_fftFrame = makeUnique<FFTFrame>(fftSize); 98 m_fftFrame = WTF::makeUnique<FFTFrame>(fftSize);
99 m_fftFrame->doPaddedFFT(impulseResponse, truncatedResponseLength); 99 m_fftFrame->doPaddedFFT(impulseResponse, truncatedResponseLength);
100 } 100 }
101 101
102 std::unique_ptr<AudioChannel> HRTFKernel::createImpulseResponse() { 102 std::unique_ptr<AudioChannel> HRTFKernel::createImpulseResponse() {
103 std::unique_ptr<AudioChannel> channel = 103 std::unique_ptr<AudioChannel> channel =
104 wrapUnique(new AudioChannel(fftSize())); 104 WTF::wrapUnique(new AudioChannel(fftSize()));
105 FFTFrame fftFrame(*m_fftFrame); 105 FFTFrame fftFrame(*m_fftFrame);
106 106
107 // Add leading delay back in. 107 // Add leading delay back in.
108 fftFrame.addConstantGroupDelay(m_frameDelay); 108 fftFrame.addConstantGroupDelay(m_frameDelay);
109 fftFrame.doInverseFFT(channel->mutableData()); 109 fftFrame.doInverseFFT(channel->mutableData());
110 110
111 return channel; 111 return channel;
112 } 112 }
113 113
114 // Interpolates two kernels with x: 0 -> 1 and returns the result. 114 // Interpolates two kernels with x: 0 -> 1 and returns the result.
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133 (1 - x) * kernel1->frameDelay() + x * kernel2->frameDelay(); 133 (1 - x) * kernel1->frameDelay() + x * kernel2->frameDelay();
134 134
135 std::unique_ptr<FFTFrame> interpolatedFrame = 135 std::unique_ptr<FFTFrame> interpolatedFrame =
136 FFTFrame::createInterpolatedFrame(*kernel1->fftFrame(), 136 FFTFrame::createInterpolatedFrame(*kernel1->fftFrame(),
137 *kernel2->fftFrame(), x); 137 *kernel2->fftFrame(), x);
138 return HRTFKernel::create(std::move(interpolatedFrame), frameDelay, 138 return HRTFKernel::create(std::move(interpolatedFrame), frameDelay,
139 sampleRate1); 139 sampleRate1);
140 } 140 }
141 141
142 } // namespace blink 142 } // namespace blink
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