dvrengine/CommonRecordingEngine/inc/CCRRtpTcpObserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    Observer for RTP/TCP streamer.*
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*/
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#ifndef CCRRTPTCPOBSERVER_H
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#define CCRRTPTCPOBSERVER_H
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// INCLUDES
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#include <e32base.h>
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// CONSTANTS
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// None
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// MACROS
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// None
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// DATA TYPES
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// None
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// FORWARD DECLARATIONS
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// None
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// CLASS DECLARATION
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/**
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*  Observer for RTP/TCP streamer
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*
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*  @lib CommonRecordingEngine.lib
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*  @since Series 60 3.0
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*/
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class MCRRtpTcpObserver
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    {
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public: // New methods
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    /**
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    * Signals an available incoming RTSP control message
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    * @since Series 60 3.0
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    * @param aData a RTSP meaage data.
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    * @return none.
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    */
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    virtual void RtspMsgAvailable( const TDesC8& aData ) = 0;
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    /**
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    * Signals an available incoming RTP/RTCP packet from RTSP/TCP streaming
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    * @since Series 60 3.0
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    * @param aChannel channel through which packet was received.
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    *        Actual interpretation and mapping to media stream (audio, video)
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    *        done by user.
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    * @param aPacket a RTP/RTCP packet received.
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    * @return none.
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    */
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    virtual void RtpTcpPacketAvailable( TInt aChannel,
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                                        const TDesC8& aPacket ) = 0;
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    /**
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    * Signals an outgoing RTP/RTCP packet to be sent over RTSP/TCP
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    * @since Series 60 3.0
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    * @param aChannel a channel through which packet was received.
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    *        Actual interpretation and mapping to media stream (audio, video)
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    *        done by user.
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    *  @param aPacket   RTP/RTCP packet received
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    * @return none.
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    */
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    virtual void ForwardRtpTcpChunck( const TDesC8& aChunk ) = 0;
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    };
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#endif // CCRRTPTCPOBSERVER_H