38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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* Copyright (c) 2011 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 WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_LEVEL_INDICATOR_H_
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#define WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_LEVEL_INDICATOR_H_
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#include "typedefs.h"
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namespace webrtc {
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class LevelIndicator
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{
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public:
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enum{TICKS_BEFORE_CALCULATION = 10};
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LevelIndicator();
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~LevelIndicator();
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// Updates the level.
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void ComputeLevel(const WebRtc_Word16* speech,
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const WebRtc_UWord16 nrOfSamples);
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WebRtc_Word32 GetLevel();
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private:
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WebRtc_Word32 _max;
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WebRtc_UWord32 _count;
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WebRtc_UWord32 _currentLevel;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_LEVEL_INDICATOR_H_
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