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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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52 void lazyInitializeOversampling(); | 52 void lazyInitializeOversampling(); |
53 | 53 |
54 protected: | 54 protected: |
55 // Apply the shaping curve. | 55 // Apply the shaping curve. |
56 void processCurve(const float* source, float* dest, size_t framesToProcess); | 56 void processCurve(const float* source, float* dest, size_t framesToProcess); |
57 | 57 |
58 // Use up-sampling, process at the higher sample-rate, then down-sample. | 58 // Use up-sampling, process at the higher sample-rate, then down-sample. |
59 void processCurve2x(const float* source, float* dest, size_t framesToProcess
); | 59 void processCurve2x(const float* source, float* dest, size_t framesToProcess
); |
60 void processCurve4x(const float* source, float* dest, size_t framesToProcess
); | 60 void processCurve4x(const float* source, float* dest, size_t framesToProcess
); |
61 | 61 |
62 WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperPr
ocessor*>(processor()); } | 62 WaveShaperProcessor* getWaveShaperProcessor() { return static_cast<WaveShape
rProcessor*>(processor()); } |
63 | 63 |
64 // Oversampling. | 64 // Oversampling. |
65 OwnPtr<AudioFloatArray> m_tempBuffer; | 65 OwnPtr<AudioFloatArray> m_tempBuffer; |
66 OwnPtr<AudioFloatArray> m_tempBuffer2; | 66 OwnPtr<AudioFloatArray> m_tempBuffer2; |
67 OwnPtr<UpSampler> m_upSampler; | 67 OwnPtr<UpSampler> m_upSampler; |
68 OwnPtr<DownSampler> m_downSampler; | 68 OwnPtr<DownSampler> m_downSampler; |
69 OwnPtr<UpSampler> m_upSampler2; | 69 OwnPtr<UpSampler> m_upSampler2; |
70 OwnPtr<DownSampler> m_downSampler2; | 70 OwnPtr<DownSampler> m_downSampler2; |
71 }; | 71 }; |
72 | 72 |
73 } // namespace blink | 73 } // namespace blink |
74 | 74 |
75 #endif // WaveShaperDSPKernel_h | 75 #endif // WaveShaperDSPKernel_h |
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