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: //
williamr@2: 
williamr@2: #ifndef CONVERSIONCOEFFICIENT_H
williamr@2: #define CONVERSIONCOEFFICIENT_H
williamr@2: 
williamr@2: /**
williamr@2: Specifies the possible YUV-RGB conversion coefficients to use. 
williamr@2: 
williamr@2: The coefficients are determined by two factors: 
williamr@2: The YUV signal range used, and the actual conversion multipliers.
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: enum TYuvCoefficients
williamr@2: 	{
williamr@2: 	/**
williamr@2: 	The nominal Y range is [16…235] and the U and V ranges [16…240]. This corresponds to H.264 | MPEG-4 AVC video_range_flag=0.
williamr@2: 	*/
williamr@2: 	EYuvRange0	   = 0x01000000,
williamr@2: 
williamr@2: 	/**
williamr@2: 	The nominal Y, U, and V ranges are [0…255]. This corresponds to H.264 | MPEG-4 AVC video_range_flag=1.
williamr@2: 	*/
williamr@2: 	EYuvRange1	   = 0x02000000,
williamr@2: 
williamr@2: 	/**
williamr@2: 	The YUV-RGB conversion cofficients are those specified in ITU-R Recommendation BT.709. 
williamr@2: 	This corresponds to H.264 | MPEG-4 AVC matrix_coefficients=1. BT.709 is the default YUV format used 
williamr@2: 	for MPEG-4 Part 2 and H.264 | MPEG-4 AVC.
williamr@2: 	*/
williamr@2: 	EYuvBt709		= 0x00000001,
williamr@2: 
williamr@2: 	/**
williamr@2: 	YUV data with range 0 (Y [16…235]) and conversion coefficients according to BT.709. 
williamr@2: 	This is the most typical configuration.
williamr@2: 	*/
williamr@2: 	EYuvBt709Range0  = EYuvRange0 | EYuvBt709,
williamr@2: 
williamr@2: 	/**
williamr@2: 	YUV data with range 1 (Y [0…255]) and conversion coefficients according to BT.709.
williamr@2: 	*/
williamr@2: 	EYuvBt709Range1  = EYuvRange1 | EYuvBt709,
williamr@2: 
williamr@2: 	/**
williamr@2: 	The YUV-RGB conversion cofficients are those specified in ITU-R Recommendation BT.601.5.
williamr@2: 	*/
williamr@2: 	EYuvBt601		= 0x00000002,
williamr@2: 
williamr@2: 	/**
williamr@2: 	YUV data with range 0 (Y [16…235]) and conversion coefficients according to BT.601.5. 
williamr@2: 	This is the data format used in H.263.
williamr@2: 	*/
williamr@2: 	EYuvBt601Range0  = EYuvRange0 | EYuvBt601,
williamr@2: 
williamr@2: 	/**
williamr@2: 	YUV data with range 1 (Y [0…255]) and conversion coefficients according to BT.601.5.
williamr@2: 	*/
williamr@2: 	EYuvBt601Range1  = EYuvRange1 | EYuvBt601,
williamr@2: 
williamr@2: 	/**
williamr@2: 	A custom conversion matrix is used. 
williamr@2: 	@see TYuvConversionMatrix.
williamr@2: 	*/
williamr@2: 	ECustomYuvMatrix = 0x00800000
williamr@2: 	};
williamr@2: 
williamr@2: #endif // CONVERSIONCOEFFICIENT_H