|  | /* | 
|  | *  Copyright (c) 2020 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 API_AUDIO_ECHO_DETECTOR_CREATOR_H_ | 
|  | #define API_AUDIO_ECHO_DETECTOR_CREATOR_H_ | 
|  |  | 
|  | #include "api/scoped_refptr.h" | 
|  | #include "modules/audio_processing/include/audio_processing.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | // Returns an instance of the WebRTC implementation of a residual echo detector. | 
|  | // It can be provided to the webrtc::AudioProcessingBuilder to obtain the | 
|  | // usual residual echo metrics. | 
|  | rtc::scoped_refptr<EchoDetector> CreateEchoDetector(); | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // API_AUDIO_ECHO_DETECTOR_CREATOR_H_ |