/*

* 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:

* Header file to the H264 Decoder wrapper Implementation.

*

*/

#ifndef ARIH264DECWRAPPER_H

#define ARIH264DECWRAPPER_H

//	INCLUDES

#include <e32def.h>

#include <e32base.h>

#include <devvideoconstants.h>

#include "aribasecodec.h"

#include "ariprint.h"

// FORWARD DECLARATIONS

class TUncompressedVideoFormat;

class TVideoInputBuffer;

class TVideoPictureHeader;

enum TSetCommands

{

	CONTROL_CMD_SET_TIMESTAMP

};

enum TGetCommands

{

	CONTROL_CMD_GET_SLICELOSSINFO,

	CONTROL_CMD_GET_PICTURELOSSINFO,

	CONTROL_CMD_GET_OUTPUTBUFFERLENGTH

};

const TInt KMaxFrameWidth = 640;//should be 1280 for enabling 720P decoding;

const TInt KMaxFrameHeight = 480;//should be 720 for enabling 720P decoding;

/**

 *	Class CAriH264decWrapper

 *	This class is part of Aricent's H264 decoder wrapper used by the H264

 *	This HwDevice Plugin to decode H264 content to yuv420.

 *

 */

class CAriH264decWrapper: public CBase, public MBaseCodec

	{

	public:// Constructor and Destructor

		/**

		 * Two-phased constructor.

			@param	"aInputFormat"	"type of input format, decides packetmode

			                         or framemode".

			@param	"aOutputFormat"	"supported output formats".

			@param	"aInpBuf"	    "configuration data required to create the

			                         decoder".

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

		 * @return pointer to an instance of CAriH264decWrapper

		 */

		IMPORT_C static CAriH264decWrapper* NewL(

				                     TVideoDataUnitType &aInputFormat,

                                     TUncompressedVideoFormat &aOutputFormat,

                                     const TDesC8* aInpBuf, TInt aStreamType);

		/**

		 * Destructor

		 */

		virtual ~CAriH264decWrapper();

	public:// MBaseCodec functions

		/**

		Retrieves a custom interface to the specified hardware device

		@param	"aInpBuf"	"Coded input data passed by Engine".

		@param	"aOutBuf"	"Decoded output data".

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

		@return	one of the TCodecState

		*/

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

		/**

		 Resets the Decoder

		 @return None

		 */

		virtual void Reset () = 0;

    public: // New Functions

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

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

		/**

		Gets the header info

		@param	"aDataUnit"	"Input stream data".

		@param	"aHeaderPtr" "Output header information returned".

		@leave	"The method will leave if an error occurs

                KErrArgument  - input data is null or zero length

                KErrCorrupt   - input stream is corrupt

                KErrUnderflow - input stream is insufficient".

		*/

		IMPORT_C

		static void  GetHeaderInfoL(TVideoInputBuffer& aDataUnit,

                                    TVideoPictureHeader& aHeaderPtr);

	};

#endif //ARIH264DECWRAPPER_H