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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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