Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2016 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 WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SATURATING_GAIN_ESTIMATOR_H_
      12             : #define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SATURATING_GAIN_ESTIMATOR_H_
      13             : 
      14             : #include "webrtc/base/constructormagic.h"
      15             : 
      16             : namespace webrtc {
      17             : 
      18             : class ApmDataDumper;
      19             : 
      20             : class SaturatingGainEstimator {
      21             :  public:
      22             :   SaturatingGainEstimator();
      23             :   ~SaturatingGainEstimator();
      24             :   void Initialize();
      25             :   void Update(float gain, int num_saturations);
      26           0 :   float GetGain() const { return saturating_gain_; }
      27             : 
      28             :  private:
      29             :   float saturating_gain_;
      30             :   int saturating_gain_hold_counter_;
      31             : 
      32             :   RTC_DISALLOW_COPY_AND_ASSIGN(SaturatingGainEstimator);
      33             : };
      34             : 
      35             : }  // namespace webrtc
      36             : 
      37             : #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_SATURATING_GAIN_ESTIMATOR_H_