1 /* 2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_ 12 #define MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_ 13 14 #include <vector> 15 16 #include "modules/audio_processing/aec3/subtractor_output.h" 17 18 namespace webrtc { 19 20 // Class for analyzing the properties subtractor output. 21 class SubtractorOutputAnalyzer { 22 public: 23 explicit SubtractorOutputAnalyzer(size_t num_capture_channels); 24 ~SubtractorOutputAnalyzer() = default; 25 26 // Analyses the subtractor output. 27 void Update(rtc::ArrayView<const SubtractorOutput> subtractor_output, 28 bool* any_filter_converged, 29 bool* any_coarse_filter_converged, 30 bool* all_filters_diverged); 31 ConvergedFilters()32 const std::vector<bool>& ConvergedFilters() const { 33 return filters_converged_; 34 } 35 36 // Handle echo path change. 37 void HandleEchoPathChange(); 38 39 private: 40 std::vector<bool> filters_converged_; 41 }; 42 43 } // namespace webrtc 44 45 #endif // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_ 46