blob: ff6ab811729494ed86dbd8626a6319bba61a4f1d [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.
#include "modules/audio_processing/agc2/gain_curve_applier.h"
#include "modules/audio_processing/include/audio_frame_view.h"
namespace webrtc {
class ApmDataDumper;
class FixedGainController {
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);
float LastAudioLevel() const;
float gain_to_apply_ = 1.f;
ApmDataDumper* apm_data_dumper_ = nullptr;
GainCurveApplier gain_curve_applier_;
} // namespace webrtc