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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 * | 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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| 302 | 302 |
| 303 #endif // !USE_ACCELERATE_FFT | 303 #endif // !USE_ACCELERATE_FFT |
| 304 } | 304 } |
| 305 | 305 |
| 306 #ifndef NDEBUG | 306 #ifndef NDEBUG |
| 307 void FFTFrame::print() | 307 void FFTFrame::print() |
| 308 { | 308 { |
| 309 FFTFrame& frame = *this; | 309 FFTFrame& frame = *this; |
| 310 float* realP = frame.realData(); | 310 float* realP = frame.realData(); |
| 311 float* imagP = frame.imagData(); | 311 float* imagP = frame.imagData(); |
| 312 LOG(WebAudio, "**** \n"); | 312 LOG_INFO(WebAudio, "**** \n"); |
| 313 LOG(WebAudio, "DC = %f : nyquist = %f\n", realP[0], imagP[0]); | 313 LOG_INFO(WebAudio, "DC = %f : nyquist = %f\n", realP[0], imagP[0]); |
| 314 | 314 |
| 315 int n = m_FFTSize / 2; | 315 int n = m_FFTSize / 2; |
| 316 | 316 |
| 317 for (int i = 1; i < n; i++) { | 317 for (int i = 1; i < n; i++) { |
| 318 double mag = sqrt(realP[i] * realP[i] + imagP[i] * imagP[i]); | 318 double mag = sqrt(realP[i] * realP[i] + imagP[i] * imagP[i]); |
| 319 double phase = atan2(realP[i], imagP[i]); | 319 double phase = atan2(realP[i], imagP[i]); |
| 320 | 320 |
| 321 LOG(WebAudio, "[%d] (%f %f)\n", i, mag, phase); | 321 LOG_INFO(WebAudio, "[%d] (%f %f)\n", i, mag, phase); |
| 322 } | 322 } |
| 323 LOG(WebAudio, "****\n"); | 323 LOG_INFO(WebAudio, "****\n"); |
| 324 } | 324 } |
| 325 #endif // NDEBUG | 325 #endif // NDEBUG |
| 326 | 326 |
| 327 } // namespace WebCore | 327 } // namespace WebCore |
| 328 | 328 |
| 329 #endif // ENABLE(WEB_AUDIO) | 329 #endif // ENABLE(WEB_AUDIO) |
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