1 /* 2 * Copyright (c) 2020 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_TRANSPARENT_MODE_H_ 12 #define MODULES_AUDIO_PROCESSING_AEC3_TRANSPARENT_MODE_H_ 13 14 #include <memory> 15 16 #include "api/audio/echo_canceller3_config.h" 17 #include "modules/audio_processing/aec3/aec3_common.h" 18 19 namespace webrtc { 20 21 // Class for detecting and toggling the transparent mode which causes the 22 // suppressor to apply less suppression. 23 class TransparentMode { 24 public: 25 static std::unique_ptr<TransparentMode> Create( 26 const EchoCanceller3Config& config); 27 ~TransparentMode()28 virtual ~TransparentMode() {} 29 30 // Returns whether the transparent mode should be active. 31 virtual bool Active() const = 0; 32 33 // Resets the state of the detector. 34 virtual void Reset() = 0; 35 36 // Updates the detection decision based on new data. 37 virtual void Update(int filter_delay_blocks, 38 bool any_filter_consistent, 39 bool any_filter_converged, 40 bool any_coarse_filter_converged, 41 bool all_filters_diverged, 42 bool active_render, 43 bool saturated_capture) = 0; 44 }; 45 46 } // namespace webrtc 47 #endif // MODULES_AUDIO_PROCESSING_AEC3_TRANSPARENT_MODE_H_ 48