diff -r 89d6a7a84779 -r 25a17d01db0c Symbian3/PDK/Source/GUID-359E1198-B9F5-5EFD-B80B-C087E5A5DD1D.dita
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/PDK/Source/GUID-359E1198-B9F5-5EFD-B80B-C087E5A5DD1D.dita	Fri Jan 22 18:26:19 2010 +0000
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation 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:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-359E1198-B9F5-5EFD-B80B-C087E5A5DD1D" xml:lang="en"><title>Color
+Conversion</title><shortdesc>This topic describes the color conversion between RGB and YUV.
+The details depend on which YUV color space is used.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>For analogue signals (standard definition), the <b>ITU BT-601</b> formula
+is used. </p>
+<codeblock id="GUID-898BEBCA-ADC9-518A-B4AD-0C8DBF2AE87D" xml:space="preserve">R' = Y' + 1.403V'
+G' = Y' - 0.344U' - 0.714V'
+B' = Y' + 1.770U'</codeblock>
+<p>For high-definition signals, the <b> ITU BT-709</b> formula is used. </p>
+<codeblock id="GUID-24AA061D-9587-5D41-9246-5DBA5708BE75" xml:space="preserve">R' = Y' + 1.5701V'
+G' = Y' - 0.1870U' - 0.4664V'
+B' = Y' - 1.8556U'</codeblock>
+<p>Where, </p>
+<ul>
+<li id="GUID-5B70C4D2-8E2C-53D8-9B7F-E19FEAC5CA5A">Y' is Y scaled to be in
+the range [0, 1]. </li>
+<li id="GUID-6F311DD9-F8DB-5672-8447-DF6FA756B8F5">U' and V' are the corresponding
+samples scaled to the range [-0.5, 0.5]. </li>
+<li id="GUID-3F2ED876-7B73-567F-A3C6-40A90AD40053">R', G' and B' then have
+to be clamped to the range [0, 1] and scaled up as appropriate. </li>
+</ul>
+</conbody><related-links>
+<link href="GUID-47701648-CEC1-564C-A6BF-CC42E78E701F.dita"><linktext>YUV Pixel
+Formats Overview</linktext></link>
+</related-links></concept>
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