// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "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:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #ifndef CONVERSIONCOEFFICIENT_H

 #define CONVERSIONCOEFFICIENT_H

 /**

 Specifies the possible YUV-RGB conversion coefficients to use. 

 The coefficients are determined by two factors: 

 The YUV signal range used, and the actual conversion multipliers.

 @publishedAll

 @released

 */

 enum TYuvCoefficients

 	{

 	/**

 	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.

 	*/

 	EYuvRange0	   = 0x01000000,

 	/**

 	The nominal Y, U, and V ranges are [0…255]. This corresponds to H.264 | MPEG-4 AVC video_range_flag=1.

 	*/

 	EYuvRange1	   = 0x02000000,

 	/**

 	The YUV-RGB conversion cofficients are those specified in ITU-R Recommendation BT.709. 

 	This corresponds to H.264 | MPEG-4 AVC matrix_coefficients=1. BT.709 is the default YUV format used 

 	for MPEG-4 Part 2 and H.264 | MPEG-4 AVC.

 	*/

 	EYuvBt709		= 0x00000001,

 	/**

 	YUV data with range 0 (Y [16…235]) and conversion coefficients according to BT.709. 

 	This is the most typical configuration.

 	*/

 	EYuvBt709Range0  = EYuvRange0 | EYuvBt709,

 	/**

 	YUV data with range 1 (Y [0…255]) and conversion coefficients according to BT.709.

 	*/

 	EYuvBt709Range1  = EYuvRange1 | EYuvBt709,

 	/**

 	The YUV-RGB conversion cofficients are those specified in ITU-R Recommendation BT.601.5.

 	*/

 	EYuvBt601		= 0x00000002,

 	/**

 	YUV data with range 0 (Y [16…235]) and conversion coefficients according to BT.601.5. 

 	This is the data format used in H.263.

 	*/

 	EYuvBt601Range0  = EYuvRange0 | EYuvBt601,

 	/**

 	YUV data with range 1 (Y [0…255]) and conversion coefficients according to BT.601.5.

 	*/

 	EYuvBt601Range1  = EYuvRange1 | EYuvBt601,

 	/**

 	A custom conversion matrix is used. 

 	@see TYuvConversionMatrix.

 	*/

 	ECustomYuvMatrix = 0x00800000

 	};

 #endif // CONVERSIONCOEFFICIENT_H