subtractor_output_analyzer.h (1446B)
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 <cstddef> 15 #include <vector> 16 17 #include "api/array_view.h" 18 #include "modules/audio_processing/aec3/subtractor_output.h" 19 20 namespace webrtc { 21 22 // Class for analyzing the properties subtractor output. 23 class SubtractorOutputAnalyzer { 24 public: 25 explicit SubtractorOutputAnalyzer(size_t num_capture_channels); 26 ~SubtractorOutputAnalyzer() = default; 27 28 // Analyses the subtractor output. 29 void Update(ArrayView<const SubtractorOutput> subtractor_output, 30 bool* any_filter_converged, 31 bool* any_coarse_filter_converged, 32 bool* all_filters_diverged); 33 34 const std::vector<bool>& ConvergedFilters() const { 35 return filters_converged_; 36 } 37 38 // Handle echo path change. 39 void HandleEchoPathChange(); 40 41 private: 42 std::vector<bool> filters_converged_; 43 }; 44 45 } // namespace webrtc 46 47 #endif // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_ANALYZER_H_