/*

* Copyright (c) 2009 Aricent and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

* Aricent - initial contribution.

*

* Contributors:

*

* Description:

* Export header file for wrapper APIs.Interface class for

* H264 encoder wrapper.The member functions are pure virtual functions which

* are to be implemented by the derived class.

*

*/

#ifndef ARIH264ENCWRAPPER_H

#define ARIH264ENCWRAPPER_H

//	INCLUDES

#include <e32def.h>

#include <e32base.h>

#include <devvideoconstants.h>

#include "aribasecodec.h"

//Uncomment to generate debug information useful for tracking bitrate problems

//#define STORETOLOG

// FORWARD DECLARATIONS

class MBaseCodecObserver;

class TH264EncInitParams;

class CAriH264encWrapper: public CBase, public MBaseCodec

	{

	public:

		/** 

		 * Two-phased constructor.	

		 * @param aEncoderParams

		 *    Encoder params used to create the encoder.

		 * @return pointer to an instance of CAriH264encWrapper

		 */

		IMPORT_C static CAriH264encWrapper* NewL(

										TH264EncInitParams &aEncoderParams );

		/**> Destructor */

		virtual ~CAriH264encWrapper();

	public:

		/** 

		 * From MBaseCodec

		 * Encodes an input buffer

		 * @param	aInpBuf

		 *    Coded input data passed by Engine.

		 * @param	aOutBuf

		 *	  Encoded output data

		 * @leave	"The method will leave if an error occurs".

		 * @return	one of the TCodecState

		 */

		virtual TInt DoProcessL ( TAny *aInpBuf, TAny* aOutBuf ) = 0;

		/**

		 * From MBaseCodec

		 * Encodes an input buffer

		 * @param	aCommand

		 *    The command passed - indicates encoder parameter to be set.

		 * @param	aOutBuf

		 *	  The value used to set the parameter.

		 * @leave	"The method will leave if an error occurs".

		 * @return	one of the TCodecState

		*/

		virtual TInt SetParam (TInt aCommand, TAny* aCmdData) = 0;

		/**

		 * Used to get codec parameteres

		 * @param aCommand

		 *    Indicates the encoder parameter to get

		 * @param aCmdData

		 *    The value of the encoder parameter (OUT)

		 * @return symbian wide error code

		 */

		virtual TInt GetParam(TInt aCommand, TAny* aCmdData) = 0;

		/**

		 * Cancels all processing of the commands

		 * @return None

		 */

		virtual void Reset () = 0;

		/**

		 * Sets the clocksource.

		 * @param aClockSource

   		 *    The clocksource which will be used by wrapper.

   		 * @param aProcessingTime

   		 *    Not used currently.

		 * @return TInt KErrArgument if clocksource is NULL

		 *              else returns KErrNone

		 */

		virtual TInt SetSyncOptions( TAny* aClockSource,

									TInt aProcessingTime = 0 ) = 0;

		/**

		 * Sets the reference time to be used by wrapper.

		 * @param aReferenceTime

		 *    The reference time passed by the plugin

		 * @return None

		 */

		virtual void SetUpdatedRefernceTime( TInt64 &aReferenceTime ) = 0;

		/**

		 * Indicates whether current picture has been encoded or not.

		 * @return TBool ETrue if ppicture is skipped.

		 */

		virtual TBool IsCurrentPictureSkipped() = 0;

#ifdef STORETOLOG

     public:

 	TInt 	iRemainingFramesInSecLog;

 	TInt	iRemainingBitsInSecLog;

 	TInt	iTargetLog;

 	TInt    iRemainingBitsInSecBHLog;

	TInt    iFrameSkipHappenedLog;

	TInt	iTimeStampEncLog;

	TInt	iCheckingForDropLog;

	TInt	iAbsFrameCntLog;

	TInt	iFrameCntLog;

	TInt	iRCLevelLog;

	TInt	iScarceBitsLog;

	TInt	iExcessCountLog;

#endif

	};

#endif //ARIH264ENCWRAPPER_H