MprNullAec.h

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//  
// Copyright (C) 2007 SIPez LLC. 
// Licensed to SIPfoundry under a Contributor Agreement. 
//
// Copyright (C) 2007 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// $$

// Author: Dan Petrie <dpetrie AT SIPez DOT com>

#ifndef _MprNullAec_h_
#define _MprNullAec_h_

// SYSTEM INCLUDES

// APPLICATION INCLUDES
#include "mp/MpAudioResource.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class MprAudioFrameBuffer;

class MprNullAec : public MpAudioResource
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

/* ============================ CREATORS ================================== */

   MprNullAec(const UtlString& rName, 
              MprAudioFrameBuffer& MprAudioFrameBuffer);

   virtual
   ~MprNullAec();


/* ============================ MANIPULATORS ============================== */



/* ============================ ACCESSORS ================================= */



/* ============================ INQUIRY =================================== */



/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:

   MprAudioFrameBuffer* mpOutputBufferResource;

   virtual UtlBoolean doProcessFrame(MpBufPtr inBufs[],
                                     MpBufPtr outBufs[],
                                     int inBufsSize,
                                     int outBufsSize,
                                     UtlBoolean isEnabled,
                                     int samplesPerFrame,
                                     int samplesPerSecond);

   MprNullAec(const MprNullAec& rMprNullAec);

   MprNullAec& operator=(const MprNullAec& rhs);

};

/* ============================ INLINE METHODS ============================ */

#endif  // _MprNullAec_h_