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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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 // setNumberOfChannels() may later be called if the object is not yet in an "ini
tialized" state. | 42 // setNumberOfChannels() may later be called if the object is not yet in an "ini
tialized" state. |
43 AudioDSPKernelProcessor::AudioDSPKernelProcessor(float sampleRate, unsigned numb
erOfChannels) | 43 AudioDSPKernelProcessor::AudioDSPKernelProcessor(float sampleRate, unsigned numb
erOfChannels) |
44 : AudioProcessor(sampleRate, numberOfChannels) | 44 : AudioProcessor(sampleRate, numberOfChannels) |
45 , m_hasJustReset(true) | 45 , m_hasJustReset(true) |
46 { | 46 { |
47 } | 47 } |
48 | 48 |
49 AudioDSPKernelProcessor::~AudioDSPKernelProcessor() | |
50 { | |
51 } | |
52 | |
53 void AudioDSPKernelProcessor::initialize() | 49 void AudioDSPKernelProcessor::initialize() |
54 { | 50 { |
55 if (isInitialized()) | 51 if (isInitialized()) |
56 return; | 52 return; |
57 | 53 |
58 MutexLocker locker(m_processLock); | 54 MutexLocker locker(m_processLock); |
59 ASSERT(!m_kernels.size()); | 55 ASSERT(!m_kernels.size()); |
60 | 56 |
61 // Create processing kernels, one per channel. | 57 // Create processing kernels, one per channel. |
62 for (unsigned i = 0; i < numberOfChannels(); ++i) | 58 for (unsigned i = 0; i < numberOfChannels(); ++i) |
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152 return !m_kernels.isEmpty() ? m_kernels.first()->latencyTime() : 0; | 148 return !m_kernels.isEmpty() ? m_kernels.first()->latencyTime() : 0; |
153 } | 149 } |
154 // Since we don't want to block the Audio Device thread, we return a large v
alue | 150 // Since we don't want to block the Audio Device thread, we return a large v
alue |
155 // instead of trying to acquire the lock. | 151 // instead of trying to acquire the lock. |
156 return std::numeric_limits<double>::infinity(); | 152 return std::numeric_limits<double>::infinity(); |
157 } | 153 } |
158 | 154 |
159 } // namespace blink | 155 } // namespace blink |
160 | 156 |
161 #endif // ENABLE(WEB_AUDIO) | 157 #endif // ENABLE(WEB_AUDIO) |
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