|  | /* | 
|  | *  Copyright (c) 2017 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_ECHO_PATH_VARIABILITY_H_ | 
|  | #define MODULES_AUDIO_PROCESSING_AEC3_ECHO_PATH_VARIABILITY_H_ | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | struct EchoPathVariability { | 
|  | EchoPathVariability(bool gain_change, bool delay_change); | 
|  |  | 
|  | bool AudioPathChanged() const { return gain_change || delay_change; } | 
|  | bool gain_change; | 
|  | bool delay_change; | 
|  | }; | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // MODULES_AUDIO_PROCESSING_AEC3_ECHO_PATH_VARIABILITY_H_ |