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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/*
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* Copyright (c) 2012 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_LEVEL_ESTIMATOR_IMPL_H_
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#define MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_
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#include <memory>
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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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#include "rtc_base/criticalsection.h"
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namespace webrtc {
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class AudioBuffer;
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class RmsLevel;
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class LevelEstimatorImpl : public LevelEstimator {
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public:
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explicit LevelEstimatorImpl(rtc::CriticalSection* crit);
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~LevelEstimatorImpl() override;
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// TODO(peah): Fold into ctor, once public API is removed.
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void Initialize();
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void ProcessStream(AudioBuffer* audio);
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// LevelEstimator implementation.
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int Enable(bool enable) override;
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bool is_enabled() const override;
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int RMS() override;
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private:
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rtc::CriticalSection* const crit_ = nullptr;
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bool enabled_ RTC_GUARDED_BY(crit_) = false;
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std::unique_ptr<RmsLevel> rms_ RTC_GUARDED_BY(crit_);
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(LevelEstimatorImpl);
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_
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