MprVad.h

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//  
// Copyright (C) 2008-2014 SIPez LLC. All right reserved.
//  
// Copyright (C) 2008 SIPfoundry Inc. 
// Licensed by SIPfoundry under the LGPL license.
//  
// $$ 

// Author: Alexander Chemeris <Alexander DOT Chemeris AT SIPez DOT com>

#ifndef _MprVad_h_
#define _MprVad_h_

// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include <mp/MpAudioResource.h>
#include <mp/MpResourceMsg.h>
#include <mp/MprDecode.h>

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class MpVadBase;
class UtlSerialized;

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

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


   MprVad(const UtlString& rName, const UtlString &vadAlgorithm = "");
   ~MprVad();


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


   static OsStatus setVadParameter(const UtlString& parameterName,
                                   int parameterValue,
                                   const UtlString& resourceName,
                                   OsMsgQ& flowgraphQueue);
   static OsStatus changeVadAlgorithm(const UtlString& namedResource, 
                                     OsMsgQ& fgQ,
                                     const UtlString &vadAlgorithm);

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




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

   


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

   enum
   {
      MPRM_CHANGE_VAD = MpResourceMsg::MPRM_EXTERNAL_MESSAGE_START,
      // WARNING: be sure to not conflict with MprDecode::MPRM_SET_VAD_PARAM

      MPRM_SET_VAD_PARAM = MprDecode::MPRM_SET_VAD_PARAM
   };

   MpVadBase *mpVad;   

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

   UtlBoolean handleMessage(MpResourceMsg& rMsg);

   UtlBoolean handleChageVadAlgorithm(const UtlString &vadAlgorithm);

   UtlBoolean handleSetVadParam(UtlSerialized& serialData);

   OsStatus setFlowGraph(MpFlowGraphBase* pFlowGraph);

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

};

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

#endif  // _MprVad_h_