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 #ifndef MUSHENGCLIPSESSION_H

    20 #define MUSHENGCLIPSESSION_H

    21 

    22 // USER

    23 #include "musengmceoutsession.h"

    24 #include "musunittesting.h"

    25 

    26 class MMusEngClipSessionObserver;

    27 class CMusEngLiveSession;

    28 class CMceFileSource;

    29 class CMceAudioStream;

    30 class CMceVideoStream;

    31 class CMceAudioCodec;

    32 class CMusEngClipVideoPlayer;

    33 

    34 

    35 class CMusEngClipSession : public CMusEngMceOutSession

    36     {

    37     MUS_UNITTEST( UT_CMusEngClipSession )

    38     MUS_UNITTEST( UT_CMusEngMceSession )

    39     

    40     public: // Constructors and destructor

    41 

    42         /**

    43         * Constructor

    44         */

    45         static CMusEngClipSession* NewL();

    46                                                   

    47         /**

    48         * Destructor

    49         */

    50         ~CMusEngClipSession();

    51 

    52     public: // from MLcSession

    53     

    54         MLcVideoPlayer* LocalVideoPlayer();

    55 

    56 

    57     protected: // implementation of virtual helper from CMusEngMceOutSession

    58 

    59         /**

    60         * @param aLocalBundle All local streams are supposed to be added to

    61         *        this bundle

    62         */

    63         void CompleteSessionStructureL( CMceStreamBundle& aLocalBundle );        

    64 

    65 

    66     protected: // overrides function from CMusEngMceOutSession

    67     

    68         /**

    69         * Checks that there is no need for transcoding before calling

    70         * overridden base class variant of this function.

    71         */

    72         void EstablishSessionL();

    73         

    74     

    75     private: // from MMceStreamObserver, 

    76              // overrides the function in CMusEngMceSession

    77 

    78         /**

    79         * The state of the stream has changed.

    80         *

    81         * @param aStream, the stream that has changed.

    82         */

    83         void StreamStateChanged( CMceMediaStream& aStream );

    84         

    85         /**

    86         * The state of the source has changed.

    87         * @param aStream, the stream that uses the source.

    88         * @param aSource, the source that has changed.

    89         */

    90         void StreamStateChanged( CMceMediaStream& aStream,

    91                                  CMceMediaSource& aSource );

    92 

    93     private:

    94 

    95         CMusEngClipSession();

    96 

    97         void ConstructL();

    98 

    99 

   100     private: // HELPERS

   101         

   102         void AddAmrCodecL( CMceAudioStream& aAudioStream );

   103         

   104         void AddVideoCodecL( CMceVideoStream& aVideoStream );

   105         

   106         void ConstructAudioStructureL( CMceStreamBundle& aLocalBundle );

   107         

   108         void DetermineBufferingPeriod( CMceMediaStream& aStream );    

   109 

   110     private: // Data

   111         

   112         CMusEngClipVideoPlayer* iClipVideoPlayer;

   113         TTime iBufferingStartedTime;

   114     };

   115 

   116 #endif // MUSHENGCLIPSESSION_H

   117