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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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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25 #include "config.h" | 25 #include "config.h" |
26 | 26 |
27 #if ENABLE(WEB_AUDIO) | 27 #if ENABLE(WEB_AUDIO) |
28 | 28 |
29 #include "modules/webaudio/DelayDSPKernel.h" | 29 #include "modules/webaudio/DelayDSPKernel.h" |
30 | 30 |
31 #include "platform/audio/AudioUtilities.h" | 31 #include "platform/audio/AudioUtilities.h" |
32 #include "wtf/MathExtras.h" | 32 #include "wtf/MathExtras.h" |
33 #include <algorithm> | 33 #include <algorithm> |
34 | 34 |
35 using namespace std; | |
36 | |
37 namespace WebCore { | 35 namespace WebCore { |
38 | 36 |
39 const float SmoothingTimeConstant = 0.020f; // 20ms | 37 const float SmoothingTimeConstant = 0.020f; // 20ms |
40 | 38 |
41 DelayDSPKernel::DelayDSPKernel(DelayProcessor* processor) | 39 DelayDSPKernel::DelayDSPKernel(DelayProcessor* processor) |
42 : AudioDelayDSPKernel(processor, AudioNode::ProcessingSizeInFrames) | 40 : AudioDelayDSPKernel(processor, AudioNode::ProcessingSizeInFrames) |
43 { | 41 { |
44 ASSERT(processor && processor->sampleRate() > 0); | 42 ASSERT(processor && processor->sampleRate() > 0); |
45 if (!(processor && processor->sampleRate() > 0)) | 43 if (!(processor && processor->sampleRate() > 0)) |
46 return; | 44 return; |
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67 } | 65 } |
68 | 66 |
69 double DelayDSPKernel::delayTime(float) | 67 double DelayDSPKernel::delayTime(float) |
70 { | 68 { |
71 return delayProcessor()->delayTime()->finalValue(); | 69 return delayProcessor()->delayTime()->finalValue(); |
72 } | 70 } |
73 | 71 |
74 } // namespace WebCore | 72 } // namespace WebCore |
75 | 73 |
76 #endif // ENABLE(WEB_AUDIO) | 74 #endif // ENABLE(WEB_AUDIO) |
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