/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:    Class to parse RTP packets.*

*/

#ifndef CRTPPACKET_H

#define CRTPPACKET_H

// INCLUDES

#include <RtpHeader.h>

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FORWARD DECLARATIONS

// None

// CLASS DECLARATION

/**

*  Class for RTP header.

*

*  @lib RtpClipHandler.lib

*  @since Series 60 3.0

*/

class CRtpPacket : public CBase 

    {

public: // Constructors and destructor

    /**

    * Two-phased constructor.

    * @return a pointer to the newly created RTP packet object.

    */

    IMPORT_C static CRtpPacket* NewL();

    /**

    * Two-phased constructor.

    * @return a pointer to the newly created RTP packet object.

    */

    IMPORT_C static CRtpPacket* NewLC();

    /**

    * Destructor.

    */

    IMPORT_C virtual ~CRtpPacket();

public: // New functions

    /**

    * Parse RTCP packet buffer to retrive RTCP fields.

    * @since Series 60 3.0

    * @param aPktBuf a RTP packet.

    * @return system wide error code.

    */

    IMPORT_C TInt ParseRtp( const TDesC8& aPktBuf );

    /**

    * Sets syncronised time stamp of packet.

    * @since Series 60 3.0

    * @param aTs a new timestamp value.

    * @return none.

    */

    IMPORT_C void SetTimeStamp( const TUint32 aTs );

private: // Constructors and destructor

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

    /**

    * C++ default constructor.

    * @since Series 60 3.0

    */

    CRtpPacket();

private: // New functions

    /**

    * Read 32 bits from current offset.

    * @since Series 60 3.0

    * @param aPktBuf a packet buffer.

    * @param aByte a byte index.

    * @return an readed unsigned integer.

    */

    TUint Read32Bits( const TPtrC8& aPktBuf,

                      TInt& aByte );

public: // Data

    /**

    * Header of the packet.

    */

    TRtpRecvHeader iRtpRecvHeader;

    /**

    * Payload off the packet.

    */

    TPtrC8 iPayload;

    };

#endif // CRTPPACKET_H

// End of File