Utilizing the AEC3 config struct for constants.

webrtc/modules/audio_processing/aec3/residual_echo_estimator.h

 /*
  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_RESIDUAL_ECHO_ESTIMATOR_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_RESIDUAL_ECHO_ESTIMATOR_H_
 
 #include <algorithm>
 #include <array>
 #include <vector>
 
 #include "webrtc/modules/audio_processing/aec3/aec3_common.h"
 #include "webrtc/modules/audio_processing/aec3/aec_state.h"
 #include "webrtc/modules/audio_processing/aec3/render_buffer.h"
+#include "webrtc/modules/audio_processing/include/audio_processing.h"
 #include "webrtc/rtc_base/array_view.h"
 #include "webrtc/rtc_base/constructormagic.h"
 
 namespace webrtc {
 
 class ResidualEchoEstimator {
  public:
-  ResidualEchoEstimator();
+  explicit ResidualEchoEstimator(
+      const AudioProcessing::Config::EchoCanceller3& config);
   ~ResidualEchoEstimator();
 
   void Estimate(bool using_subtractor_output,
                 const AecState& aec_state,
                 const RenderBuffer& render_buffer,
                 const std::array<float, kFftLengthBy2Plus1>& S2_linear,
                 const std::array<float, kFftLengthBy2Plus1>& Y2,
                 std::array<float, kFftLengthBy2Plus1>* R2);
 
  private:
@@ skipping 23 matching lines @@
                      std::array<float, kFftLengthBy2Plus1>* R2);
 
   std::array<float, kFftLengthBy2Plus1> R2_old_;
   std::array<int, kFftLengthBy2Plus1> R2_hold_counter_;
   std::array<float, kFftLengthBy2Plus1> R2_reverb_;
   int S2_old_index_ = 0;
   std::array<std::array<float, kFftLengthBy2Plus1>, kAdaptiveFilterLength>
       S2_old_;
   std::array<float, kFftLengthBy2Plus1> X2_noise_floor_;
   std::array<int, kFftLengthBy2Plus1> X2_noise_floor_counter_;
+  const AudioProcessing::Config::EchoCanceller3 config_;
 
-  RTC_DISALLOW_COPY_AND_ASSIGN(ResidualEchoEstimator);
+  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(ResidualEchoEstimator);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_RESIDUAL_ECHO_ESTIMATOR_H_