webrtc/modules/audio_processing/level_estimator_impl.h
Mirko Bonadei bb547203bf Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}
2017-09-15 04:25:06 +00:00

47 lines
1.5 KiB
C++

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