MpDecoderBase.h

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//  
// Copyright (C) 2006-2013 SIPez LLC.  All rights reserved.
//
// Copyright (C) 2004-2008 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 _MpDecoderBase_h_
#define _MpDecoderBase_h_

// SYSTEM INCLUDES

// APPLICATION INCLUDES
#include "mp/MpCodecInfo.h"
#include "mp/MpRtpBuf.h"
#include "mp/MpTypes.h"
#include "os/OsStatus.h"
#include "mp/MpPlgStaffV1.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS

// FORWARD DECLARATIONS
class OsNotification;

class MpDecoderBase
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

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


   MpDecoderBase(int payloadType,
                 const MpCodecCallInfoV1& callInfo,
                 const MppCodecInfoV1_1& codecInfo,
                 const char* defaultFmtp);
   ~MpDecoderBase();

   OsStatus initDecode(const char* codecFmtString);
   OsStatus initDecode();
   OsStatus freeDecode();

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


   int decode(const MpRtpBufPtr &pPacket,
              unsigned decodedBufferLength,
              MpAudioSample *samplesBuffer);

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


   const MpCodecInfo* getInfo() const;
   int getPayloadType();

   OsStatus getSignalingData(uint8_t &event,
                             UtlBoolean &isStarted,
                             UtlBoolean &isStopped,
                             uint16_t &duration);

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



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

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
   int mPayloadType;         
   MpCodecInfo mCodecInfo;   
   const MpCodecCallInfoV1& mCallInfo; 
   void* plgHandle;          
   const char* mDefaultFmtp; 

   bool isInitialized() const;  

   MpDecoderBase(const MpDecoderBase& rMpDecoderBase);

   MpDecoderBase& operator=(const MpDecoderBase& rhs);
};

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

inline bool MpDecoderBase::isInitialized() const
{
   return (NULL != plgHandle);
}

#endif  // _MpDecoderBase_h_