/usr/include/sipxtapi/mp/MprEchoSuppress.h is in libsipxtapi-dev 3.3.0~test17-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2006 SIPez LLC.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _MprEchoSuppress_h_
#define _MprEchoSuppress_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsStatus.h"
#include "mp/MpAudioResource.h"
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class MprToSpkr;
class FilterBank;
class HandsetFilterBank;
/**
* @brief The "Echo suppress" media processing resource
*/
class MprEchoSuppress : public MpAudioResource
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
///@name Manipulators
//@{
/// Constructor
MprEchoSuppress(const UtlString& rName);
/// Destructor
virtual
~MprEchoSuppress();
//@}
/* ============================ MANIPULATORS ============================== */
///@name Manipulators
//@{
void setSpkrPal(MprToSpkr* pal);
int startSpeech();
int endSpeech();
//@}
/* ============================ ACCESSORS ================================= */
///@name Accessors
//@{
//@}
/* ============================ INQUIRY =================================== */
///@name Inquiry
//@{
//@}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
short mState;
MprToSpkr* mpSpkrPal;
MpAudioBufPtr mpPrev;
int mTicksPerFrame;
int mSpeechFake;
short mshDelay;
FilterBank* mpFilterBank;
HandsetFilterBank* mpHandsetFilterBank;
MpBufPtr LoudspeakerFade(MpBufPtr in, short& shSpkState, int iFreezeFlag);
void frame_match(const MpAudioBufPtr &in);
virtual UtlBoolean doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond);
void control_logic(unsigned long ulSigIn,
unsigned long ulSigOut,
short& shSpkState,
int iFreezeFlag);
/// Copy constructor (not implemented for this class)
MprEchoSuppress(const MprEchoSuppress& rMprEchoSuppress);
/// Assignment operator (not implemented for this class)
MprEchoSuppress& operator=(const MprEchoSuppress& rhs);
};
/* ============================ INLINE METHODS ============================ */
#endif // _MprEchoSuppress_h_
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