sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Constants and structs specific to Sorenson Spark.  See the DevVideo specs for more details.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __DEVVIDEO_SORENSENSPARK_H__
sl@0: #define __DEVVIDEO_SORENSENSPARK_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: /**
sl@0: Specifies the picture type.
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: enum TSparkPictureType
sl@0:     {
sl@0:     /**
sl@0:     Indicates a keyframe
sl@0:     */
sl@0:     ESparkPictureTypeKey   = 0x01,
sl@0:     /**
sl@0:     Indicates a predicted or inter frame
sl@0:     */
sl@0:     ESparkPictureTypeP     = 0x02,
sl@0:     /**
sl@0:     Indicates a predicted frame that is disposable
sl@0:     */
sl@0:     ESparkPictureTypeDisp  = 0x04
sl@0:     };
sl@0: 
sl@0: /**
sl@0: Specifies action of deblocking filter
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: enum TSparkDeblocking
sl@0: 	{
sl@0:     /**
sl@0:     Never deblock
sl@0:     */
sl@0: 	EDeblockNever		= 0x1,
sl@0:     /**
sl@0:     Always deblock
sl@0:     */
sl@0: 	EDeblockAlways		= 0x2,
sl@0:     /**
sl@0:     Apply deblocking as requested by video packet deblocking flag
sl@0:     */
sl@0: 	EDeblockAsIndicated = 0x4
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0: Settings to describe decompression
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: class TSparkDecompressSettings
sl@0: 	{
sl@0: public:
sl@0: 	/**
sl@0: 	If this member is set to EDeblockNever the decompressor will never deblock the image even 
sl@0: 	if the deblocking bit is set in the bitstream. If this member is set to EDeblockAlways the
sl@0: 	decompressor will deblock the image even if the deblocking bit not set in the bitstream.
sl@0: 	If this member is set to EDeblockAsIndicated then deblocking will only occur when the
sl@0: 	deblocking bit in the bitstream is set to 1.
sl@0: 	*/
sl@0:     TSparkDeblocking iDeblockingMethod;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0: Sorenson Spark video packet header
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: class TSparkPictureHeader
sl@0: 	{
sl@0: public:
sl@0: 	/**
sl@0: 	Indicates the temporal reference, which is formed by incrementing the value in the previously transmitted
sl@0: 	picture header by one, plus the number of non-transmitted pictures since the previously transmitted one.
sl@0: 	*/
sl@0: 	TUint iTemporalReference;
sl@0: 	/**
sl@0: 	Indicates the picture coding type. iPictureType is set according to the picture header as one of
sl@0: 	the values defined in TSparkPictureType
sl@0: 	*/
sl@0: 	TSparkPictureType iPictureType;
sl@0: 	/**
sl@0: 	Requests use of deblocking filter
sl@0: 	*/
sl@0: 	TBool Deblocking;
sl@0: 	/**
sl@0: 	Indicates the initial value of the quantization parameter
sl@0: 	*/
sl@0: 	TUint iQuantizer;
sl@0: 	};
sl@0: 
sl@0: #endif