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Side by Side Diff: Source/core/platform/audio/HRTFKernel.cpp

Issue 13973026: remove memoryinstrumentation Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: remove the rest part of MemoryInstrumentation Created 7 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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29 #include "config.h" 29 #include "config.h"
30 30
31 #if ENABLE(WEB_AUDIO) 31 #if ENABLE(WEB_AUDIO)
32 32
33 #include "HRTFKernel.h" 33 #include "HRTFKernel.h"
34 34
35 #include "AudioChannel.h" 35 #include "AudioChannel.h"
36 #include "Biquad.h" 36 #include "Biquad.h"
37 #include "FFTFrame.h" 37 #include "FFTFrame.h"
38 #include "FloatConversion.h" 38 #include "FloatConversion.h"
39 #include "PlatformMemoryInstrumentation.h"
40 #include <wtf/MathExtras.h> 39 #include <wtf/MathExtras.h>
41 40
42 using namespace std; 41 using namespace std;
43 42
44 namespace WebCore { 43 namespace WebCore {
45 44
46 // Takes the input AudioChannel as an input impulse response and calculates the average group delay. 45 // Takes the input AudioChannel as an input impulse response and calculates the average group delay.
47 // This represents the initial delay before the most energetic part of the impul se response. 46 // This represents the initial delay before the most energetic part of the impul se response.
48 // The sample-frame delay is removed from the impulseP impulse response, and thi s value is returned. 47 // The sample-frame delay is removed from the impulseP impulse response, and thi s value is returned.
49 // the length of the passed in AudioChannel must be a power of 2. 48 // the length of the passed in AudioChannel must be a power of 2.
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126 ASSERT(sampleRate1 == sampleRate2); 125 ASSERT(sampleRate1 == sampleRate2);
127 if (sampleRate1 != sampleRate2) 126 if (sampleRate1 != sampleRate2)
128 return 0; 127 return 0;
129 128
130 float frameDelay = (1 - x) * kernel1->frameDelay() + x * kernel2->frameDelay (); 129 float frameDelay = (1 - x) * kernel1->frameDelay() + x * kernel2->frameDelay ();
131 130
132 OwnPtr<FFTFrame> interpolatedFrame = FFTFrame::createInterpolatedFrame(*kern el1->fftFrame(), *kernel2->fftFrame(), x); 131 OwnPtr<FFTFrame> interpolatedFrame = FFTFrame::createInterpolatedFrame(*kern el1->fftFrame(), *kernel2->fftFrame(), x);
133 return HRTFKernel::create(interpolatedFrame.release(), frameDelay, sampleRat e1); 132 return HRTFKernel::create(interpolatedFrame.release(), frameDelay, sampleRat e1);
134 } 133 }
135 134
136 void HRTFKernel::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
137 {
138 MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::AudioShare dData);
139 info.addMember(m_fftFrame, "fftFrame");
140 }
141
142 } // namespace WebCore 135 } // namespace WebCore
143 136
144 #endif // ENABLE(WEB_AUDIO) 137 #endif // ENABLE(WEB_AUDIO)
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