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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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| 23 */ | 23 */ |
| 24 | 24 |
| 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/BiquadProcessor.h" | 29 #include "modules/webaudio/BiquadProcessor.h" |
| 30 | 30 |
| 31 #include "modules/webaudio/BiquadDSPKernel.h" | 31 #include "modules/webaudio/BiquadDSPKernel.h" |
| 32 | 32 |
| 33 namespace WebCore { | 33 namespace blink { |
| 34 | 34 |
| 35 BiquadProcessor::BiquadProcessor(AudioContext* context, float sampleRate, size_t
numberOfChannels, bool autoInitialize) | 35 BiquadProcessor::BiquadProcessor(AudioContext* context, float sampleRate, size_t
numberOfChannels, bool autoInitialize) |
| 36 : AudioDSPKernelProcessor(sampleRate, numberOfChannels) | 36 : AudioDSPKernelProcessor(sampleRate, numberOfChannels) |
| 37 , m_type(LowPass) | 37 , m_type(LowPass) |
| 38 , m_parameter1(nullptr) | 38 , m_parameter1(nullptr) |
| 39 , m_parameter2(nullptr) | 39 , m_parameter2(nullptr) |
| 40 , m_parameter3(nullptr) | 40 , m_parameter3(nullptr) |
| 41 , m_parameter4(nullptr) | 41 , m_parameter4(nullptr) |
| 42 , m_filterCoefficientsDirty(true) | 42 , m_filterCoefficientsDirty(true) |
| 43 , m_hasSampleAccurateValues(false) | 43 , m_hasSampleAccurateValues(false) |
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| 126 { | 126 { |
| 127 // Compute the frequency response on a separate temporary kernel | 127 // Compute the frequency response on a separate temporary kernel |
| 128 // to avoid interfering with the processing running in the audio | 128 // to avoid interfering with the processing running in the audio |
| 129 // thread on the main kernels. | 129 // thread on the main kernels. |
| 130 | 130 |
| 131 OwnPtr<BiquadDSPKernel> responseKernel = adoptPtr(new BiquadDSPKernel(this))
; | 131 OwnPtr<BiquadDSPKernel> responseKernel = adoptPtr(new BiquadDSPKernel(this))
; |
| 132 | 132 |
| 133 responseKernel->getFrequencyResponse(nFrequencies, frequencyHz, magResponse,
phaseResponse); | 133 responseKernel->getFrequencyResponse(nFrequencies, frequencyHz, magResponse,
phaseResponse); |
| 134 } | 134 } |
| 135 | 135 |
| 136 } // namespace WebCore | 136 } // namespace blink |
| 137 | 137 |
| 138 #endif // ENABLE(WEB_AUDIO) | 138 #endif // ENABLE(WEB_AUDIO) |
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