williamr@2: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: // Constants and structs specific to Sorenson Spark.  See the DevVideo specs for more details.
williamr@2: // 
williamr@2: //
williamr@2: 
williamr@2: #ifndef __DEVVIDEO_SORENSENSPARK_H__
williamr@2: #define __DEVVIDEO_SORENSENSPARK_H__
williamr@2: 
williamr@2: #include <e32base.h>
williamr@2: 
williamr@2: /**
williamr@2: Specifies the picture type.
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: enum TSparkPictureType
williamr@2:     {
williamr@2:     /**
williamr@2:     Indicates a keyframe
williamr@2:     */
williamr@2:     ESparkPictureTypeKey   = 0x01,
williamr@2:     /**
williamr@2:     Indicates a predicted or inter frame
williamr@2:     */
williamr@2:     ESparkPictureTypeP     = 0x02,
williamr@2:     /**
williamr@2:     Indicates a predicted frame that is disposable
williamr@2:     */
williamr@2:     ESparkPictureTypeDisp  = 0x04
williamr@2:     };
williamr@2: 
williamr@2: /**
williamr@2: Specifies action of deblocking filter
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: enum TSparkDeblocking
williamr@2: 	{
williamr@2:     /**
williamr@2:     Never deblock
williamr@2:     */
williamr@2: 	EDeblockNever		= 0x1,
williamr@2:     /**
williamr@2:     Always deblock
williamr@2:     */
williamr@2: 	EDeblockAlways		= 0x2,
williamr@2:     /**
williamr@2:     Apply deblocking as requested by video packet deblocking flag
williamr@2:     */
williamr@2: 	EDeblockAsIndicated = 0x4
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2: Settings to describe decompression
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: class TSparkDecompressSettings
williamr@2: 	{
williamr@2: public:
williamr@2: 	/**
williamr@2: 	If this member is set to EDeblockNever the decompressor will never deblock the image even 
williamr@2: 	if the deblocking bit is set in the bitstream. If this member is set to EDeblockAlways the
williamr@2: 	decompressor will deblock the image even if the deblocking bit not set in the bitstream.
williamr@2: 	If this member is set to EDeblockAsIndicated then deblocking will only occur when the
williamr@2: 	deblocking bit in the bitstream is set to 1.
williamr@2: 	*/
williamr@2:     TSparkDeblocking iDeblockingMethod;
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2: Sorenson Spark video packet header
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: class TSparkPictureHeader
williamr@2: 	{
williamr@2: public:
williamr@2: 	/**
williamr@2: 	Indicates the temporal reference, which is formed by incrementing the value in the previously transmitted
williamr@2: 	picture header by one, plus the number of non-transmitted pictures since the previously transmitted one.
williamr@2: 	*/
williamr@2: 	TUint iTemporalReference;
williamr@2: 	/**
williamr@2: 	Indicates the picture coding type. iPictureType is set according to the picture header as one of
williamr@2: 	the values defined in TSparkPictureType
williamr@2: 	*/
williamr@2: 	TSparkPictureType iPictureType;
williamr@2: 	/**
williamr@2: 	Requests use of deblocking filter
williamr@2: 	*/
williamr@2: 	TBool Deblocking;
williamr@2: 	/**
williamr@2: 	Indicates the initial value of the quantization parameter
williamr@2: 	*/
williamr@2: 	TUint iQuantizer;
williamr@2: 	};
williamr@2: 
williamr@2: #endif