1 /*

     2 * Copyright (c) 2004-2006 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 CVideoConfigHandler_H

    20 #define CVideoConfigHandler_H

    21 NONSHARABLE_CLASS( TVideoConfigHandler ): public MPvMp4H263EncExtensionSymbianObserver

    22     {

    23     public:

    24         

    25         /**

    26          * Constructor.

    27          */

    28         TVideoConfigHandler(MVtProtocolHandler* aProtocolHandler);

    29 

    30         /**

    31         Handle an event that has been generated.

    32 

    33         @param aResponse  The response to a previously issued command.

    34         */

    35         virtual void MPvMp4H263EncExtensionCommandCompletedL(const CPVCmdResponse& aResponse);

    36         

    37         /**

    38         Handle an information event.

    39 

    40         @param aEvent  

    41         */

    42         virtual void HandleMPvMp4H263EncExtensionInformationalEventL(const CPVAsyncInformationalEvent& aEvent);

    43     private:

    44         MVtProtocolHandler* iProtocolHandler;

    45     };

    46 

    47 NONSHARABLE_CLASS( CVideoConfigCommand ) : public CBase,

    48                                            public MVtVideoConfigCommand

    49     {

    50     public:

    51         /**

    52          * Destructor.

    53          */

    54         ~CVideoConfigCommand();

    55 

    56         /**

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

    58          *

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

    60          * @return True if successful, else false

    61          */

    62         virtual TInt SetIntraFrameInterval(TUint32 aIFrameInterval);

    63 

    64         /**

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

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

    67          * frame will be an I-Frame.

    68          *

    69          * @return True for success, else false

    70          */

    71         virtual TInt RequestNextIntraFrame();

    72         

    73         /**

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

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

    76          * @return True if successful, else false.

    77          */

    78         virtual TInt SetVideoFrameRate(TUint32 aFrameRate);

    79 

    80         /**

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

    82          * 

    83          * @param aHandler     the observer for unsolicited informational events

    84          **/

    85         virtual void SetObserverL(MVtProtocolHandler* aHandler);

    86         

    87         /**

    88          * Get member variant.

    89          */

    90         MPvMp4H263EncExtensionInterfaceSymbian*& PVVideoEncoderInterface() { return iH263Encoder; }

    91     private:

    92         MPvMp4H263EncExtensionInterfaceSymbian* iH263Encoder;

    93         TVideoConfigHandler* iVideoConfigHandler;

    94     };

    95 #endif

    96 //  End of File

    97