/*

* 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:    Observer for RTP/TCP streamer.*

*/

#ifndef CCRRTPTCPOBSERVER_H

#define CCRRTPTCPOBSERVER_H

// INCLUDES

#include <e32base.h>

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FORWARD DECLARATIONS

// None

// CLASS DECLARATION

/**

*  Observer for RTP/TCP streamer

*

*  @lib CommonRecordingEngine.lib

*  @since Series 60 3.0

*/

class MCRRtpTcpObserver

    {

public: // New methods

    /**

    * Signals an available incoming RTSP control message

    * @since Series 60 3.0

    * @param aData a RTSP meaage data.

    * @return none.

    */

    virtual void RtspMsgAvailable( const TDesC8& aData ) = 0;

    /**

    * Signals an available incoming RTP/RTCP packet from RTSP/TCP streaming

    * @since Series 60 3.0

    * @param aChannel channel through which packet was received.

    *        Actual interpretation and mapping to media stream (audio, video)

    *        done by user.

    * @param aPacket a RTP/RTCP packet received.

    * @return none.

    */

    virtual void RtpTcpPacketAvailable( TInt aChannel,

                                        const TDesC8& aPacket ) = 0;

    /**

    * Signals an outgoing RTP/RTCP packet to be sent over RTSP/TCP

    * @since Series 60 3.0

    * @param aChannel a channel through which packet was received.

    *        Actual interpretation and mapping to media stream (audio, video)

    *        done by user.

    *  @param aPacket   RTP/RTCP packet received

    * @return none.

    */

    virtual void ForwardRtpTcpChunck( const TDesC8& aChunk ) = 0;

    };

#endif // CCRRTPTCPOBSERVER_H