50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2011 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_VOICE_ENGINE_LEVEL_INDICATOR_H
|
|
#define WEBRTC_VOICE_ENGINE_LEVEL_INDICATOR_H
|
|
|
|
#include "typedefs.h"
|
|
#include "voice_engine_defines.h"
|
|
|
|
namespace webrtc {
|
|
|
|
class AudioFrame;
|
|
namespace voe {
|
|
|
|
class AudioLevel
|
|
{
|
|
public:
|
|
AudioLevel();
|
|
virtual ~AudioLevel();
|
|
|
|
void ComputeLevel(const AudioFrame& audioFrame);
|
|
|
|
WebRtc_Word8 Level() const;
|
|
|
|
WebRtc_Word16 LevelFullRange() const;
|
|
|
|
void Clear();
|
|
|
|
private:
|
|
enum { kUpdateFrequency = 10};
|
|
|
|
WebRtc_Word16 _absMax;
|
|
WebRtc_Word16 _count;
|
|
WebRtc_Word8 _currentLevel;
|
|
WebRtc_Word16 _currentLevelFullRange;
|
|
};
|
|
|
|
} // namespace voe
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_VOICE_ENGINE_LEVEL_INDICATOR_H
|