/usr/include/sipxtapi/mp/MpVadSimple.h is in libsipxtapi-dev 3.3.0~test17-1.
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// Copyright (C) 2008 SIPez LLC.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// Copyright (C) 2008 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// $$
///////////////////////////////////////////////////////////////////////////////
// Author: Sergey Kostanbaev <Sergey DOT Kostanbaev AT sipez DOT com>
#ifndef _MpVadSimple_h_
#define _MpVadSimple_h_
#include <mp/MpVadBase.h>
/**
* Simple Energy-basede VAD.
*
* This VAD is simplest possible - it just compare mean frame energy with given
* threshold.
*/
class MpVadSimple : public MpVadBase
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
static const char *name; ///< Name of this VAD algorithm for use in MpVadBase::createVad().
/* ============================ CREATORS ================================== */
///@name Creators
//@{
/// Constructor
MpVadSimple();
/// @copydoc MpVadBase::init()
OsStatus init(int samplesPerSec);
/// Destructor
~MpVadSimple();
//@}
/* ============================ MANIPULATORS ============================== */
///@name Manipulators
//@{
/// @copydoc MpVadBase::processFrame()
MpSpeechType processFrame(uint32_t packetTimeStamp,
const MpAudioSample* pBuf,
unsigned inSamplesNum,
const MpSpeechParams &speechParams,
UtlBoolean calcEnergyOnly = FALSE);
/// @copydoc MpVadBase::setParam()
OsStatus setParam(const char* paramName, void* value);
/// Set threshold energy
void setMinimumEnergy(int minEnergy);
/// @copydoc MpVadBase::reset()
void reset();
//@}
/* ============================ ACCESSORS ================================= */
///@name Accessors
//@{
/// @copydoc MpVadBase::getEnergy()
int getEnergy() const;
//@}
/* ============================ INQUIRY =================================== */
///@name Inquiry
//@{
//@}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
int mLastFrameSize;
int mLastEnergy;
int mSamplesPerSecond;
int mMinEnergy;
};
#endif // _MpVadSimple_h_
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