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https://github.com/danog/libtgvoip.git
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5caaaafa42
I'm now using the entire audio processing module from WebRTC as opposed to individual DSP algorithms pulled from there before. Seems to work better this way.
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_PROCESSING_GAIN_CONTROLLER2_H_
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#define MODULES_AUDIO_PROCESSING_GAIN_CONTROLLER2_H_
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#include <memory>
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#include <string>
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#include "modules/audio_processing/agc2/adaptive_agc.h"
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#include "modules/audio_processing/agc2/gain_applier.h"
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#include "modules/audio_processing/agc2/limiter.h"
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#include "modules/audio_processing/include/audio_processing.h"
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#include "rtc_base/constructormagic.h"
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namespace webrtc {
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class ApmDataDumper;
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class AudioBuffer;
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// Gain Controller 2 aims to automatically adjust levels by acting on the
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// microphone gain and/or applying digital gain.
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class GainController2 {
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public:
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GainController2();
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~GainController2();
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void Initialize(int sample_rate_hz);
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void Process(AudioBuffer* audio);
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void NotifyAnalogLevel(int level);
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void ApplyConfig(const AudioProcessing::Config::GainController2& config);
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static bool Validate(const AudioProcessing::Config::GainController2& config);
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static std::string ToString(
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const AudioProcessing::Config::GainController2& config);
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private:
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static int instance_count_;
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std::unique_ptr<ApmDataDumper> data_dumper_;
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AudioProcessing::Config::GainController2 config_;
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GainApplier gain_applier_;
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std::unique_ptr<AdaptiveAgc> adaptive_agc_;
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Limiter limiter_;
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int analog_level_ = -1;
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bool adaptive_digital_mode_ = true;
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RTC_DISALLOW_COPY_AND_ASSIGN(GainController2);
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_GAIN_CONTROLLER2_H_
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