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9ed9792def
Removing the some kill switches from the AEC3 codebase. CL is tested for bit exactness. Bug: webrtc:8671 Change-Id: I6ecdb1b5ccb05dca79bf0a0cd471f53d79d71d7e Reviewed-on: https://webrtc-review.googlesource.com/96181 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24460}
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/aec3/subtractor_output_analyzer.h"
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#include <array>
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#include <numeric>
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#include "system_wrappers/include/field_trial.h"
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namespace webrtc {
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namespace {
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bool EnableStrictDivergenceCheck() {
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return !field_trial::IsEnabled("WebRTC-Aec3StrictDivergenceCheckKillSwitch");
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}
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} // namespace
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SubtractorOutputAnalyzer::SubtractorOutputAnalyzer()
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: strict_divergence_check_(EnableStrictDivergenceCheck()) {}
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void SubtractorOutputAnalyzer::Update(
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const SubtractorOutput& subtractor_output) {
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const float y2 = subtractor_output.y2;
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const float e2_main = subtractor_output.e2_main;
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const float e2_shadow = subtractor_output.e2_shadow;
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constexpr float kConvergenceThreshold = 50 * 50 * kBlockSize;
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main_filter_converged_ = e2_main < 0.5f * y2 && y2 > kConvergenceThreshold;
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shadow_filter_converged_ =
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e2_shadow < 0.05f * y2 && y2 > kConvergenceThreshold;
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float min_e2 =
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strict_divergence_check_ ? std::min(e2_main, e2_shadow) : e2_main;
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filter_diverged_ = min_e2 > 1.5f * y2 && y2 > 30.f * 30.f * kBlockSize;
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}
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void SubtractorOutputAnalyzer::HandleEchoPathChange() {
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shadow_filter_converged_ = false;
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main_filter_converged_ = false;
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filter_diverged_ = false;
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}
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} // namespace webrtc
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