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/*
* Copyright (c) 2016 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_LEVEL_CONTROLLER_PEAK_LEVEL_ESTIMATOR_H_
#define MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_PEAK_LEVEL_ESTIMATOR_H_
#include "modules/audio_processing/level_controller/level_controller_constants.h"
#include "modules/audio_processing/level_controller/signal_classifier.h"
#include "rtc_base/constructormagic.h"
namespace webrtc {
class PeakLevelEstimator {
public:
explicit PeakLevelEstimator(float initial_peak_level_dbfs);
~PeakLevelEstimator();
void Initialize(float initial_peak_level_dbfs);
float Analyze(SignalClassifier::SignalType signal_type,
float frame_peak_level);
private:
float peak_level_;
int hold_counter_;
bool initialization_phase_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(PeakLevelEstimator);
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_PEAK_LEVEL_ESTIMATOR_H_