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/*
* Copyright (c) 2018 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 MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_
#define MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_
#include "api/array_view.h"
#include "modules/audio_processing/aec3/subtractor_output.h"
namespace webrtc {
// Class for analyzing the properties subtractor output
class SubtractorOutputAnalyzer {
public:
SubtractorOutputAnalyzer();
~SubtractorOutputAnalyzer() = default;
// Analyses the subtractor output.
void Update(const SubtractorOutput& subtractor_output);
bool ConvergedFilter() const {
return main_filter_converged_ || shadow_filter_converged_;
}
bool DivergedFilter() const { return filter_diverged_; }
// Handle echo path change.
void HandleEchoPathChange();
private:
const bool strict_divergence_check_;
bool shadow_filter_converged_ = false;
bool main_filter_converged_ = false;
bool filter_diverged_ = false;
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_