5049942219
This change rewrites RMSLevel, making it accept an ArrayView as input, and modify the implementation somewhat. It also makes the class keep track of the peak RMS in addition to the average RMS over the measurement period. New tests are added to cover the new functionality. BUG=webrtc:6622 Review-Url: https://codereview.webrtc.org/2535523002 Cr-Commit-Position: refs/heads/master@{#15294}
48 lines
1.5 KiB
C++
48 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/base/constructormagic.h"
|
|
#include "webrtc/base/criticalsection.h"
|
|
#include "webrtc/modules/audio_processing/include/audio_processing.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_ GUARDED_BY(crit_) = false;
|
|
std::unique_ptr<RmsLevel> rms_ GUARDED_BY(crit_);
|
|
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(LevelEstimatorImpl);
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_ESTIMATOR_IMPL_H_
|