/*

* Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

#ifndef CVideoConfigHandler_H

#define CVideoConfigHandler_H

NONSHARABLE_CLASS( TVideoConfigHandler ): public MPvMp4H263EncExtensionSymbianObserver

    {

    public:

        /**

         * Constructor.

         */

        TVideoConfigHandler(MVtProtocolHandler* aProtocolHandler);

        /**

        Handle an event that has been generated.

        @param aResponse  The response to a previously issued command.

        */

        virtual void MPvMp4H263EncExtensionCommandCompletedL(const CPVCmdResponse& aResponse);

        /**

        Handle an information event.

        @param aEvent  

        */

        virtual void HandleMPvMp4H263EncExtensionInformationalEventL(const CPVAsyncInformationalEvent& aEvent);

    private:

        MVtProtocolHandler* iProtocolHandler;

    };

NONSHARABLE_CLASS( CVideoConfigCommand ) : public CBase,

                                           public MVtVideoConfigCommand

    {

    public:

        /**

         * Destructor.

         */

        ~CVideoConfigCommand();

        /**

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

         *

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

         * @return True if successful, else false

         */

        virtual TInt SetIntraFrameInterval(TUint32 aIFrameInterval);

        /**

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

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

         * frame will be an I-Frame.

         *

         * @return True for success, else false

         */

        virtual TInt RequestNextIntraFrame();

        /**

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

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

         * @return True if successful, else false.

         */

        virtual TInt SetVideoFrameRate(TUint32 aFrameRate);

        /**

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

         * 

         * @param aHandler     the observer for unsolicited informational events

         **/

        virtual void SetObserverL(MVtProtocolHandler* aHandler);

        /**

         * Get member variant.

         */

        MPvMp4H263EncExtensionInterfaceSymbian*& PVVideoEncoderInterface() { return iH263Encoder; }

    private:

        MPvMp4H263EncExtensionInterfaceSymbian* iH263Encoder;

        TVideoConfigHandler* iVideoConfigHandler;

    };

#endif

//  End of File