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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 * 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 #ifndef WaveShaperProcessor_h | 25 #ifndef WaveShaperProcessor_h |
26 #define WaveShaperProcessor_h | 26 #define WaveShaperProcessor_h |
27 | 27 |
28 #include "core/dom/DOMTypedArray.h" | 28 #include "core/dom/DOMTypedArray.h" |
29 #include "modules/webaudio/AudioNode.h" | 29 #include "modules/webaudio/AudioNode.h" |
30 #include "platform/audio/AudioDSPKernel.h" | 30 #include "platform/audio/AudioDSPKernel.h" |
31 #include "platform/audio/AudioDSPKernelProcessor.h" | 31 #include "platform/audio/AudioDSPKernelProcessor.h" |
32 #include "wtf/RefPtr.h" | 32 #include "wtf/RefPtr.h" |
33 #include "wtf/ThreadingPrimitives.h" | 33 #include "wtf/ThreadingPrimitives.h" |
34 | 34 |
35 #if ENABLE(WEB_AUDIO) | |
36 | |
37 namespace blink { | 35 namespace blink { |
38 | 36 |
39 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKer
nel objects to implement non-linear distortion effects. | 37 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKer
nel objects to implement non-linear distortion effects. |
40 | 38 |
41 class WaveShaperProcessor final : public AudioDSPKernelProcessor { | 39 class WaveShaperProcessor final : public AudioDSPKernelProcessor { |
42 public: | 40 public: |
43 enum OverSampleType { | 41 enum OverSampleType { |
44 OverSampleNone, | 42 OverSampleNone, |
45 OverSample2x, | 43 OverSample2x, |
46 OverSample4x | 44 OverSample4x |
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62 | 60 |
63 private: | 61 private: |
64 // m_curve represents the non-linear shaping curve. | 62 // m_curve represents the non-linear shaping curve. |
65 RefPtr<DOMFloat32Array> m_curve; | 63 RefPtr<DOMFloat32Array> m_curve; |
66 | 64 |
67 OverSampleType m_oversample; | 65 OverSampleType m_oversample; |
68 }; | 66 }; |
69 | 67 |
70 } // namespace blink | 68 } // namespace blink |
71 | 69 |
72 #endif // ENABLE(WEB_AUDIO) | |
73 | |
74 #endif // WaveShaperProcessor_h | 70 #endif // WaveShaperProcessor_h |
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