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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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| 36 | 36 |
| 37 #ifndef NDEBUG | 37 #ifndef NDEBUG |
| 38 #include <stdio.h> | 38 #include <stdio.h> |
| 39 #endif | 39 #endif |
| 40 | 40 |
| 41 #include "platform/Logging.h" | 41 #include "platform/Logging.h" |
| 42 #include "wtf/Complex.h" | 42 #include "wtf/Complex.h" |
| 43 #include "wtf/MathExtras.h" | 43 #include "wtf/MathExtras.h" |
| 44 #include "wtf/OwnPtr.h" | 44 #include "wtf/OwnPtr.h" |
| 45 | 45 |
| 46 namespace WebCore { | 46 namespace blink { |
| 47 | 47 |
| 48 void FFTFrame::doPaddedFFT(const float* data, size_t dataSize) | 48 void FFTFrame::doPaddedFFT(const float* data, size_t dataSize) |
| 49 { | 49 { |
| 50 // Zero-pad the impulse response | 50 // Zero-pad the impulse response |
| 51 AudioFloatArray paddedResponse(fftSize()); // zero-initialized | 51 AudioFloatArray paddedResponse(fftSize()); // zero-initialized |
| 52 paddedResponse.copyToRange(data, 0, dataSize); | 52 paddedResponse.copyToRange(data, 0, dataSize); |
| 53 | 53 |
| 54 // Get the frequency-domain version of padded response | 54 // Get the frequency-domain version of padded response |
| 55 doFFT(paddedResponse.data()); | 55 doFFT(paddedResponse.data()); |
| 56 } | 56 } |
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| 285 for (int i = 1; i < n; i++) { | 285 for (int i = 1; i < n; i++) { |
| 286 double mag = sqrt(realP[i] * realP[i] + imagP[i] * imagP[i]); | 286 double mag = sqrt(realP[i] * realP[i] + imagP[i] * imagP[i]); |
| 287 double phase = atan2(realP[i], imagP[i]); | 287 double phase = atan2(realP[i], imagP[i]); |
| 288 | 288 |
| 289 WTF_LOG(WebAudio, "[%d] (%f %f)\n", i, mag, phase); | 289 WTF_LOG(WebAudio, "[%d] (%f %f)\n", i, mag, phase); |
| 290 } | 290 } |
| 291 WTF_LOG(WebAudio, "****\n"); | 291 WTF_LOG(WebAudio, "****\n"); |
| 292 } | 292 } |
| 293 #endif // NDEBUG | 293 #endif // NDEBUG |
| 294 | 294 |
| 295 } // namespace WebCore | 295 } // namespace blink |
| 296 | 296 |
| 297 #endif // ENABLE(WEB_AUDIO) | 297 #endif // ENABLE(WEB_AUDIO) |
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