Transparency improvements in the echo canceller 3

webrtc/modules/audio_processing/aec3/subtractor_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.
  */
 
@@ skipping 50 matching lines @@
     if (std::find(blocks_with_echo_path_changes.begin(),
                   blocks_with_echo_path_changes.end(),
                   k) != blocks_with_echo_path_changes.end()) {
       subtractor.HandleEchoPathChange(EchoPathVariability(true, true));
     }
     subtractor.Process(render_buffer, y, render_signal_analyzer, aec_state,
                        &output);
 
     aec_state.HandleEchoPathChange(EchoPathVariability(false, false));
     aec_state.Update(subtractor.FilterFrequencyResponse(),
+                     subtractor.FilterImpulseResponse(),
                      rtc::Optional<size_t>(delay_samples / kBlockSize),
-                     render_buffer, E2_main, Y2, x[0], false);
+                     render_buffer, E2_main, Y2, x[0], output.s_main, false);
   }
 
   const float output_power = std::inner_product(
       output.e_main.begin(), output.e_main.end(), output.e_main.begin(), 0.f);
   const float y_power = std::inner_product(y.begin(), y.end(), y.begin(), 0.f);
   if (y_power == 0.f) {
     ADD_FAILURE();
     return -1.0;
   }
   return output_power / y_power;
@@ skipping 79 matching lines @@
   for (size_t delay_samples : {0, 64, 150, 200, 301}) {
     SCOPED_TRACE(ProduceDebugText(delay_samples));
 
     float echo_to_nearend_power = RunSubtractorTest(
         100, delay_samples, false, blocks_with_echo_path_changes);
     EXPECT_NEAR(1.f, echo_to_nearend_power, 0.0000001f);
   }
 }
 
 }  // namespace webrtc