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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 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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| 75 const void* tcos; | 75 const void* tcos; |
| 76 const void* tsin; | 76 const void* tsin; |
| 77 FFTContextProxy fft; | 77 FFTContextProxy fft; |
| 78 void (*rdft_calc)(); | 78 void (*rdft_calc)(); |
| 79 }; | 79 }; |
| 80 | 80 |
| 81 } | 81 } |
| 82 | 82 |
| 83 namespace WebCore { | 83 namespace WebCore { |
| 84 | 84 |
| 85 const int kMaxFFTPow2Size = 24; | 85 //const int kMaxFFTPow2Size = 24; |
| 86 | 86 |
| 87 // Normal constructor: allocates for a given fftSize. | 87 // Normal constructor: allocates for a given fftSize. |
| 88 FFTFrame::FFTFrame(unsigned fftSize) | 88 FFTFrame::FFTFrame(unsigned fftSize) |
| 89 : m_FFTSize(fftSize) | 89 : m_FFTSize(fftSize) |
| 90 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize))) | 90 , m_log2FFTSize(static_cast<unsigned>(log2(fftSize))) |
| 91 , m_forwardContext(0) | 91 , m_forwardContext(0) |
| 92 , m_inverseContext(0) | 92 , m_inverseContext(0) |
| 93 , m_complexData(fftSize) | 93 , m_complexData(fftSize) |
| 94 , m_realData(fftSize / 2) | 94 , m_realData(fftSize / 2) |
| 95 , m_imagData(fftSize / 2) | 95 , m_imagData(fftSize / 2) |
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| 244 | 244 |
| 245 RDFTContext* context = av_rdft_init(pow2size, (RDFTransformType)trans); | 245 RDFTContext* context = av_rdft_init(pow2size, (RDFTransformType)trans); |
| 246 return context; | 246 return context; |
| 247 } | 247 } |
| 248 | 248 |
| 249 } // namespace WebCore | 249 } // namespace WebCore |
| 250 | 250 |
| 251 #endif // !OS(MACOSX) && USE(WEBAUDIO_FFMPEG) | 251 #endif // !OS(MACOSX) && USE(WEBAUDIO_FFMPEG) |
| 252 | 252 |
| 253 #endif // ENABLE(WEB_AUDIO) | 253 #endif // ENABLE(WEB_AUDIO) |
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