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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/PeriodicWave.cpp

Issue 2614663008: Migrate WTF::Vector::append() to ::push_back() [part 13 of N] (Closed)
Patch Set: Created 3 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2012 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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292 292
293 // Clear packed-nyquist and any DC-offset. 293 // Clear packed-nyquist and any DC-offset.
294 realP[0] = 0; 294 realP[0] = 0;
295 imagP[0] = 0; 295 imagP[0] = 0;
296 296
297 // Create the band-limited table. 297 // Create the band-limited table.
298 unsigned waveSize = periodicWaveSize(); 298 unsigned waveSize = periodicWaveSize();
299 std::unique_ptr<AudioFloatArray> table = 299 std::unique_ptr<AudioFloatArray> table =
300 WTF::makeUnique<AudioFloatArray>(waveSize); 300 WTF::makeUnique<AudioFloatArray>(waveSize);
301 adjustV8ExternalMemory(waveSize * sizeof(float)); 301 adjustV8ExternalMemory(waveSize * sizeof(float));
302 m_bandLimitedTables.append(std::move(table)); 302 m_bandLimitedTables.push_back(std::move(table));
303 303
304 // Apply an inverse FFT to generate the time-domain table data. 304 // Apply an inverse FFT to generate the time-domain table data.
305 float* data = m_bandLimitedTables[rangeIndex]->data(); 305 float* data = m_bandLimitedTables[rangeIndex]->data();
306 frame.doInverseFFT(data); 306 frame.doInverseFFT(data);
307 307
308 // For the first range (which has the highest power), calculate its peak 308 // For the first range (which has the highest power), calculate its peak
309 // value then compute normalization scale. 309 // value then compute normalization scale.
310 if (!disableNormalization) { 310 if (!disableNormalization) {
311 if (!rangeIndex) { 311 if (!rangeIndex) {
312 float maxValue; 312 float maxValue;
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397 } 397 }
398 398
399 realP[n] = 0; 399 realP[n] = 0;
400 imagP[n] = b; 400 imagP[n] = b;
401 } 401 }
402 402
403 createBandLimitedTables(realP, imagP, halfSize, false); 403 createBandLimitedTables(realP, imagP, halfSize, false);
404 } 404 }
405 405
406 } // namespace blink 406 } // namespace blink
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