Added the ability to adjust the AEC3 performance for large rooms

webrtc/modules/audio_processing/aec3/residual_echo_estimator_unittest.cc

 /*
  *  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.
  */
 
 #include "webrtc/modules/audio_processing/aec3/residual_echo_estimator.h"
 
 #include "webrtc/base/random.h"
 #include "webrtc/modules/audio_processing/aec3/aec_state.h"
 #include "webrtc/modules/audio_processing/aec3/aec3_fft.h"
 #include "webrtc/modules/audio_processing/test/echo_canceller_test_tools.h"
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 
 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
 
 // Verifies that the check for non-null output residual echo power works.
 TEST(ResidualEchoEstimator, NullResidualEchoPowerOutput) {
-  AecState aec_state;
+  AecState aec_state(0.f);
   RenderBuffer render_buffer(Aec3Optimization::kNone, 3, 10,
                              std::vector<size_t>(1, 10));
   std::vector<std::array<float, kFftLengthBy2Plus1>> H2;
   std::array<float, kFftLengthBy2Plus1> S2_linear;
   std::array<float, kFftLengthBy2Plus1> Y2;
   EXPECT_DEATH(ResidualEchoEstimator().Estimate(true, aec_state, render_buffer,
                                                 S2_linear, Y2, nullptr),
                "");
 }
 
 #endif
 
 TEST(ResidualEchoEstimator, BasicTest) {
   ResidualEchoEstimator estimator;
-  AecState aec_state;
+  AecState aec_state(0.f);
   RenderBuffer render_buffer(Aec3Optimization::kNone, 3, 10,
                              std::vector<size_t>(1, 10));
   std::array<float, kFftLengthBy2Plus1> E2_main;
   std::array<float, kFftLengthBy2Plus1> E2_shadow;
   std::array<float, kFftLengthBy2Plus1> S2_linear;
   std::array<float, kFftLengthBy2Plus1> S2_fallback;
   std::array<float, kFftLengthBy2Plus1> Y2;
   std::array<float, kFftLengthBy2Plus1> R2;
   EchoPathVariability echo_path_variability(false, false);
   std::vector<std::vector<float>> x(3, std::vector<float>(kBlockSize, 0.f));
@@ skipping 26 matching lines @@
     aec_state.Update(H2, rtc::Optional<size_t>(2), render_buffer, E2_main, Y2,
                      x[0], false);
 
     estimator.Estimate(true, aec_state, render_buffer, S2_linear, Y2, &R2);
   }
   std::for_each(R2.begin(), R2.end(),
                 [&](float a) { EXPECT_NEAR(kLevel, a, 0.1f); });
 }
 
 }  // namespace webrtc