createPeriodicWave parameters are sequence<float>

third_party/WebKit/Source/modules/webaudio/PeriodicWave.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 36 matching lines @@
 
 // The max length of a periodic wave. This must be a power of two greater than
 // or equal to 2048 and must be supported by the FFT routines.
 const unsigned kMaxPeriodicWaveSize = 16384;
 
 const float kCentsPerRange = 1200 / kNumberOfOctaveBands;
 
 using namespace VectorMath;
 
 PeriodicWave* PeriodicWave::Create(BaseAudioContext& context,
-                                   size_t real_length,
-                                   const float* real,
-                                   size_t imag_length,
-                                   const float* imag,
+                                   const Vector<float>& real,
+                                   const Vector<float>& imag,
                                    bool disable_normalization,
                                    ExceptionState& exception_state) {
   DCHECK(IsMainThread());
 
   if (context.IsContextClosed()) {
     context.ThrowExceptionForClosedState(exception_state);
     return nullptr;
   }
 
-  if (real_length != imag_length) {
+  if (real.size() != imag.size()) {
     exception_state.ThrowDOMException(
         kIndexSizeError, "length of real array (" +
-                             String::Number(real_length) +
+                             String::Number(real.size()) +
                              ") and length of imaginary array (" +
-                             String::Number(imag_length) + ") must match.");
+                             String::Number(imag.size()) + ") must match.");
     return nullptr;
   }
 
   PeriodicWave* periodic_wave = new PeriodicWave(context.sampleRate());
-  periodic_wave->CreateBandLimitedTables(real, imag, real_length,
+  periodic_wave->CreateBandLimitedTables(real.Data(), imag.Data(), real.size(),
                                          disable_normalization);
   return periodic_wave;
 }
 
-PeriodicWave* PeriodicWave::Create(BaseAudioContext& context,
-                                   NotShared<DOMFloat32Array> real,
-                                   NotShared<DOMFloat32Array> imag,
-                                   bool disable_normalization,
-                                   ExceptionState& exception_state) {
-  DCHECK(IsMainThread());
-
-  return Create(context, real.View()->length(), real.View()->Data(),
-                imag.View()->length(), imag.View()->Data(),
-                disable_normalization, exception_state);
-}
-
 PeriodicWave* PeriodicWave::Create(BaseAudioContext* context,
                                    const PeriodicWaveOptions& options,
                                    ExceptionState& exception_state) {
   bool normalize = options.hasDisableNormalization()
                        ? options.disableNormalization()
                        : false;
 
   Vector<float> real_coef;
   Vector<float> imag_coef;
 
   if (options.hasReal()) {
     real_coef = options.real();
     if (options.hasImag())
       imag_coef = options.imag();
     else
       imag_coef.Resize(real_coef.size());
   } else if (options.hasImag()) {
     // |real| not given, but we have |imag|.
     imag_coef = options.imag();
     real_coef.Resize(imag_coef.size());
   } else {
     // Neither |real| nor |imag| given.  Return an object that would
     // generate a sine wave, which means real = [0,0], and imag = [0, 1]
     real_coef.Resize(2);
     imag_coef.Resize(2);
     imag_coef[1] = 1;
   }
 
-  return Create(*context, real_coef.size(), real_coef.Data(), imag_coef.size(),
-                imag_coef.Data(), normalize, exception_state);
+  return Create(*context, real_coef, imag_coef, normalize, exception_state);
 }
 
 PeriodicWave* PeriodicWave::CreateSine(float sample_rate) {
   PeriodicWave* periodic_wave = new PeriodicWave(sample_rate);
   periodic_wave->GenerateBasicWaveform(OscillatorHandler::SINE);
   return periodic_wave;
 }
 
 PeriodicWave* PeriodicWave::CreateSquare(float sample_rate) {
   PeriodicWave* periodic_wave = new PeriodicWave(sample_rate);
@@ skipping 261 matching lines @@
     }
 
     real_p[n] = 0;
     imag_p[n] = b;
   }
 
   CreateBandLimitedTables(real_p, imag_p, half_size, false);
 }
 
 }  // namespace blink