1 /*

     2 * Copyright (c) 2008 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:  Video configuration interface

    15 *

    16 */

    17 

    18 #ifndef CVideoConfigHandler_H

    19 #define CVideoConfigHandler_H

    20 NONSHARABLE_CLASS( TVideoConfigHandler )

    21     {

    22     public:

    23         

    24         /**

    25          * Constructor.

    26          */

    27         TVideoConfigHandler(MVtProtocolHandler* aProtocolHandler);

    28 

    29     private:

    30         MVtProtocolHandler* iProtocolHandler;

    31     };

    32 

    33 NONSHARABLE_CLASS( CVideoConfigCommand ) : public CBase,

    34                                            public MVtVideoConfigCommand

    35     {

    36     public:

    37         /**

    38          * Destructor.

    39          */

    40         ~CVideoConfigCommand();

    41 

    42         /**

    43          * Sets the I-Frame refresh rate of the encoded output.

    44          *

    45          * @param aIFrameInterval I-Frame rate in seconds per I-Frame

    46          * @return True if successful, else false

    47          */

    48         virtual TInt SetIntraFrameInterval(TUint32 aIFrameInterval);

    49 

    50         /**

    51          * Requests the encoder to encode the next frame as an I-Frame.  This menthod is valid

    52          * only when the node is in EPVMFNodeStarted state. If successful, the next encoded

    53          * frame will be an I-Frame.

    54          *

    55          * @return True for success, else false

    56          */

    57         virtual TInt RequestNextIntraFrame();

    58         

    59         /**

    60          * Sets the frame rate of encoded output for the specified layer.

    61          * @param aFrameRate Frame rate for the specified layer in frames per second.

    62          * @return True if successful, else false.

    63          */

    64         virtual TInt SetVideoFrameRate(TUint32 aFrameRate);

    65 

    66         /**

    67          * This API allows the user to specify separate observers for the extension interface.  

    68          * 

    69          * @param aHandler     the observer for unsolicited informational events

    70          **/

    71         virtual void SetObserverL(MVtProtocolHandler* aHandler);

    72                 

    73     private:

    74         TVideoConfigHandler* iVideoConfigHandler;

    75     };

    76 #endif

    77 //  End of File