/*
* 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