/*

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

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    Standard fixed headers of RTP packets to send and receive.

*

*/

#ifndef __RTPHEADER_H

#define __RTPHEADER_H

//  INCLUDES

#include <rtpdef.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

class  TRtpHeaderExtension

    {

    public:

        TRtpHeaderExtension();

        TInt iType;      // Defined by profile

        TInt iLength;    // Length of extension data

        TUint8* iData;   // Extended header data

    } ;

inline TRtpHeaderExtension::TRtpHeaderExtension() 

    : iType( 0 ),

      iLength( 0 ),

      iData( 0 )

    {

    };

/**

*  Standard fixed header of RTP packet to send.

*

*  @lib RtpService.dll

*/

class TRtpSendHeader

    {

    public: // Header fields

        TRtpSendHeader();

        TUint8 iPadding;                 // Padding (P) (1 bit)

        TUint8 iMarker;                  // Marker (M) (1 bit)

        TRtpPayloadType iPayloadType;    // Payload type (PT) (7 bits)

        TRtpTimeStamp iTimestamp;        // Timestamp (32 bits)

        TRtpHeaderExtension* iHeaderExtension;  // Pointer to header extension struct

    };

inline TRtpSendHeader::TRtpSendHeader() : iPadding( 0 ),

                                          iMarker( 0 ),

                                          iPayloadType( 0 ),

                                          iTimestamp( 0 ),

                                          iHeaderExtension( NULL )

    {

    };

/**

*  Standard fixed header of received RTP packet.

*

*  @lib RtpService.dll

*/

class TRtpRecvHeader

    {

    public: // Header fields

        TRtpRecvHeader();

        TUint8 iPadding;                 // Padding (P) (1 bit)

        TUint8 iExtension;               // Extension (X) (1 bit)

        TUint8 iCsrcCount;               // CSRC count (CC) (4 bits)

        TUint8 iMarker;                  // Marker (M) (1 bit)

        TRtpPayloadType iPayloadType;    // Payload type (PT) (7 bits)

        TRtpSequence iSeqNum;            // Sequence number (16 bits)

        TRtpTimeStamp iTimestamp;        // Timestamp (32 bits)

        TRtpHeaderExtension* iHeaderExtension; // Pointer to header extension struct

        TUint32* iCsrcList;      // Pointer to CSRC list

    };

inline TRtpRecvHeader::TRtpRecvHeader() : iPadding( 0 ), 

                                          iExtension( 0 ), 

                                          iCsrcCount( 0 ),

                                          iMarker( 0 ),

                                          iPayloadType( 0 ),

                                          iSeqNum( 0 ),

                                          iTimestamp( 0 ),

                                          iHeaderExtension( NULL ),

                                          iCsrcList( NULL )

    {

    };

#endif      // __RTPHEADER_H

// End of File