1 /*

     2 * Copyright (c) 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 MMCERTPOBSERVER_H

    22 #define MMCERTPOBSERVER_H

    23 

    24 // INCLUDES

    25 #include <e32std.h>  

    26 

    27 // FORWARD DECLARATIONS

    28 class CMceMediaStream;

    29 class CMceRtpSource;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 *  An interface to be implemented by users of MCE if they wish to receive

    35 *  events from CMceRtpSource.

    36 *

    37 *  This observer is set using CMceManager::SetRtpObserver function.

    38 *

    39 *  @lib mceclient.lib

    40 */

    41 class MMceRtpObserver

    42 	{

    43 	public: 

    44         /**

    45         * Callback function to indicate that an RTCP sender report

    46 		* has been received.

    47         * @param aSession the session that has changed

    48         * @param aStream the stream that has changed

    49         */

    50         virtual void SRReceived(

    51 				    CMceSession& aSession,

    52 					CMceMediaStream& aStream) = 0;

    53 

    54         /**

    55         * Callback function to indicate that an RTCP receiver report

    56 		* has been received.

    57         * @param aSession the session that has changed

    58         * @param aStream the stream that has changed

    59         */

    60         virtual void RRReceived(

    61 				    CMceSession& aSession,

    62 					CMceMediaStream& aStream) = 0;

    63 		

    64         /**

    65         * Callback function to indicate inactivity timer timeout

    66 		* has occurred. Timer is disabled after the timeout.

    67         * @param aStream the stream that has changed

    68         * @param aSource, the source that the timeout occurred.

    69         */

    70         virtual void InactivityTimeout(

    71 					CMceMediaStream& aStream,

    72 					CMceRtpSource& aSource) = 0;       

    73 		

    74 		/**

    75         * Callback function to indicate that spesified CMceRtpSource has

    76         * received RTP from a new synchronization source (SSRC).

    77         * @param aStream the stream that new SSRC was added to

    78         * @param aSource the source that new SSRC was added to

    79         * @param aSsrc added SSRC identifier

    80         */			

    81 		virtual void SsrcAdded(

    82 					CMceMediaStream& aStream,

    83 					CMceRtpSource& aSource,

    84 					TUint aSsrc ) = 0;       

    85 	    

    86 	    /**

    87         * Callback function to indicate that spesified CMceRtpSource has

    88         * received RTP BYE message from a spesified synchronization 

    89         * source (SSRC).

    90         * @param aStream the stream that SSRC was removed from

    91         * @param aSource the source that SSRC was removed from

    92         * @param aSsrc removed SSRC identifier

    93         */	

    94 		virtual void SsrcRemoved(

    95 					CMceMediaStream& aStream,

    96 					CMceRtpSource& aSource,

    97 					TUint aSsrc ) = 0;       

    98 	};

    99 

   100 #endif