1 /*

     2 * Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __RTPPACKET_H

    22 #define __RTPPACKET_H

    23 

    24 //  INCLUDES

    25 #include <e32def.h>

    26 #include "rtppacketparam.h"

    27 #include <rtpheader.h>

    28 #include "rtputil.h"

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33 *  The class for RTP packet building and processing. 

    34 *

    35 *  @lib RtpService.dll

    36 */

    37 class CRtpPacket : public CBase

    38     {

    39     #if defined( _DEBUG ) && defined( RTP_UNIT_TEST )

    40 	    //Friend class used for testing

    41 	    friend class CRtpUtRtpPacket; 

    42 	    friend class CRtpUtRtpStream; 

    43     #endif 

    44     

    45     public:

    46         static CRtpPacket* NewL( TUint aPacketSize, const TUint32* aRtpTimeRates );

    47 

    48         ~CRtpPacket();

    49 

    50         void RtpPacketReset();  

    51         void RtpPacketResetPtr();

    52 

    53         TRtpSSRC RtpPacketGetSSRC();   

    54         TRtpPayloadType RtpPacketGetPayloadType();  

    55 

    56         TInt RtpPacketBuild( TRtpPacketStreamParam* aStreamParam, 

    57                              TRtpPacketIOParam* aInitParam );

    58         TRtpRtcpEnum RtpPacketProcessL( TRtpPacketStreamParam* aStreamParam, 

    59                                        TRtpPacketIOParam* aExtractParam );

    60                                        

    61 //        TInt RtpPacketBuildNonRtp( const TDesC8& aData, TUint aMaxPacketLength);

    62 

    63         inline void SetSize( TInt aSize );

    64         inline void SetType( TRtpPacketType aType );

    65 

    66         inline TInt Size() const;

    67         inline TUint8* Data();

    68         inline HBufC8* GetHBuf();

    69         inline TRtpPacketType Type() const;

    70         inline const TPtrC8 Des() const;

    71 

    72     private:

    73         TInt RtpPacketBuildRtp( TRtpPacketStreamParam* aStreamParam, 

    74                                 TRtpPacketIOParam* aInitParam );

    75 

    76         TInt RtpPacketBuildRtcp( TRtpPacketStreamParam* aStreamParam, 

    77                                  TRtpPacketIOParam* aInitParam );

    78 

    79         TInt RtpPacketBuildApp( TRtpPacketStreamParam* aStreamParam, 

    80                                 TRtpPacketIOParam* aInitParam );

    81 

    82         TInt RtpPacketBuildBye( TRtpPacketStreamParam* aStreamParam, 

    83                                 TRtpPacketIOParam* aInitParam );

    84 

    85         TInt RtpPacketBuildRr( TRtpPacketStreamParam* aStreamParam, 

    86                                TRtpPacketIOParam* aInitParam );

    87 

    88         TInt RtpPacketBuildSr( TRtpPacketStreamParam* aStreamParam, 

    89                                TRtpPacketIOParam* aInitParam );

    90 

    91         TInt RtpPacketBuildSdes( TRtpPacketStreamParam* aStreamParam, 

    92                                  TRtpPacketIOParam* aInitParam );

    93 

    94         TRtpRtcpEnum RtpPacketProcessRtpL( TRtpPacketStreamParam* aStreamParam,

    95                                           TRtpPacketIOParam* aExtractParam );

    96         TRtpRtcpEnum RtpPacketProcessRtcp( TRtpPacketStreamParam* aStreamParam,

    97                                           TRtpPacketIOParam* aExtractParam );

    98         TRtpRtcpEnum RtpPacketProcessAppL( TRtpPacketStreamParam* aStreamParam,

    99                                           TRtpPacketIOParam* aExtractParam );

   100         TRtpRtcpEnum RtpPacketProcessByeL( TRtpPacketStreamParam* aStreamParam,

   101                                           TRtpPacketIOParam* aExtractParam );

   102         TRtpRtcpEnum RtpPacketProcessRr( TRtpPacketStreamParam* aStreamParam,

   103                                          TRtpPacketIOParam* aExtractParam );

   104         TRtpRtcpEnum RtpPacketProcessSr( TRtpPacketStreamParam* aStreamParam,

   105                                          TRtpPacketIOParam* aExtractParam );

   106         TRtpRtcpEnum RtpPacketProcessSdesL( TRtpPacketStreamParam* aStreamParam,

   107                                           TRtpPacketIOParam* aExtractParam );

   108 

   109         CRtpPacket( const TUint32* aRtpTimeRates );

   110         void ConstructL( TUint aPacketSize );

   111 

   112         void Write16( TUint8* const aPointer, TUint16 aValue );

   113         TUint16 Read16( const TUint8* const aPointer );

   114         void Write24( TUint8* const aPointer, TUint32 aValue );

   115         TUint32 Read24( const TUint8* const aPointer );

   116         void Write32( TUint8 *const aPointer, TUint32 aValue );

   117         TUint32 Read32( const TUint8* const aPointer );

   118 

   119 	public:

   120 		TBool iExdataAlloc;

   121 		TBool iCsrcAlloc;

   122 		TRtpPacketIOParam* iExtractParam;

   123     private:

   124         HBufC8* iBuf;

   125         TInt iSize;   

   126         TUint8* iData;          // pointer to the beginning of the iBuf

   127         TUint8* iDataPtr;       // pointer to the beginning of date unhandled

   128         TRtpPacketType iType;   // an enum for packet type

   129         const TUint32* iProfileRTPTimeRates; //pointer to 

   130     private:    

   131     #ifdef EUNIT_TESTING

   132 	  friend class UT_CRtpPacket;

   133 	  friend class UT_CRtpStream;

   134 	  friend class UT_CRtpSession;

   135 	  friend class UT_CRtpTranStream;

   136 	#endif     	    

   137     };

   138 

   139 #include "rtppacket.inl"

   140 

   141 #endif  // __RTPPACKET_H

   142 

   143 // End of File