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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 * | 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 "platform/audio/DynamicsCompressor.h" | 33 #include "platform/audio/DynamicsCompressor.h" |
34 | 34 |
35 #include "platform/audio/AudioBus.h" | 35 #include "platform/audio/AudioBus.h" |
36 #include "platform/audio/AudioUtilities.h" | 36 #include "platform/audio/AudioUtilities.h" |
37 #include "wtf/MathExtras.h" | 37 #include "wtf/MathExtras.h" |
38 | 38 |
39 namespace WebCore { | 39 namespace blink { |
40 | 40 |
41 using namespace AudioUtilities; | 41 using namespace AudioUtilities; |
42 | 42 |
43 DynamicsCompressor::DynamicsCompressor(float sampleRate, unsigned numberOfChanne
ls) | 43 DynamicsCompressor::DynamicsCompressor(float sampleRate, unsigned numberOfChanne
ls) |
44 : m_numberOfChannels(numberOfChannels) | 44 : m_numberOfChannels(numberOfChannels) |
45 , m_sampleRate(sampleRate) | 45 , m_sampleRate(sampleRate) |
46 , m_compressor(sampleRate, numberOfChannels) | 46 , m_compressor(sampleRate, numberOfChannels) |
47 { | 47 { |
48 // Uninitialized state - for parameter recalculation. | 48 // Uninitialized state - for parameter recalculation. |
49 m_lastFilterStageRatio = -1; | 49 m_lastFilterStageRatio = -1; |
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200 | 200 |
201 void DynamicsCompressor::setNumberOfChannels(unsigned numberOfChannels) | 201 void DynamicsCompressor::setNumberOfChannels(unsigned numberOfChannels) |
202 { | 202 { |
203 m_sourceChannels = adoptArrayPtr(new const float* [numberOfChannels]); | 203 m_sourceChannels = adoptArrayPtr(new const float* [numberOfChannels]); |
204 m_destinationChannels = adoptArrayPtr(new float* [numberOfChannels]); | 204 m_destinationChannels = adoptArrayPtr(new float* [numberOfChannels]); |
205 | 205 |
206 m_compressor.setNumberOfChannels(numberOfChannels); | 206 m_compressor.setNumberOfChannels(numberOfChannels); |
207 m_numberOfChannels = numberOfChannels; | 207 m_numberOfChannels = numberOfChannels; |
208 } | 208 } |
209 | 209 |
210 } // namespace WebCore | 210 } // namespace blink |
211 | 211 |
212 #endif // ENABLE(WEB_AUDIO) | 212 #endif // ENABLE(WEB_AUDIO) |
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