blob: a41a13f516f8d4b76b107179643f3bfbd1017e86 [file] [log] [blame]
/*
* Copyright (c) 2018 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_AGC2_FIXED_GAIN_CONTROLLER_H_
#define MODULES_AUDIO_PROCESSING_AGC2_FIXED_GAIN_CONTROLLER_H_
#include "modules/audio_processing/agc2/gain_curve_applier.h"
#include "modules/audio_processing/include/audio_frame_view.h"
namespace webrtc {
class ApmDataDumper;
class FixedGainController {
public:
explicit FixedGainController(ApmDataDumper* apm_data_dumper);
FixedGainController(ApmDataDumper* apm_data_dumper,
std::string histogram_name_prefix);
void Process(AudioFrameView<float> signal);
// Rate and gain may be changed at any time (but not concurrently
// with any other method call).
void SetGain(float gain_to_apply_db);
void SetSampleRate(size_t sample_rate_hz);
private:
float gain_to_apply_ = 1.f;
ApmDataDumper* apm_data_dumper_ = nullptr;
GainCurveApplier gain_curve_applier_;
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_AGC2_FIXED_GAIN_CONTROLLER_H_