blob: 7966c438d7d57c062da199248b999bb3307f3c28 [file] [log] [blame]
/*
* 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_GAIN_SELECTOR_H_
#define MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_GAIN_SELECTOR_H_
#include "rtc_base/constructormagic.h"
#include "modules/audio_processing/level_controller/signal_classifier.h"
namespace webrtc {
class GainSelector {
public:
GainSelector();
void Initialize(int sample_rate_hz);
float GetNewGain(float peak_level,
float noise_energy,
float saturating_gain,
bool gain_jumpstart,
SignalClassifier::SignalType signal_type);
private:
float gain_;
size_t frame_length_;
int highly_nonstationary_signal_hold_counter_;
RTC_DISALLOW_COPY_AND_ASSIGN(GainSelector);
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_GAIN_SELECTOR_H_