Symbian3/PDK/Source/GUID-C08BBBAD-3605-53E3-A94F-ECCFFB80E1DD.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 16:16:55 +0100
changeset 6 43e37759235e
parent 5 f345bda72bc4
child 14 578be2adaf3e
permissions -rw-r--r--
Week 12 contribution of example code"
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f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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<?xml version="1.0" encoding="utf-8"?>
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- This component and the accompanying materials are made available under the terms of the License 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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"Eclipse Public License v1.0" which accompanies this distribution, 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- Initial Contributors:
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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    Nokia Corporation - initial contribution.
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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Contributors: 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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-->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!DOCTYPE concept
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<concept xml:lang="en" id="GUID-C08BBBAD-3605-53E3-A94F-ECCFFB80E1DD"><title>Controlling Video Recording Quality</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>This tutorial describes how to control video recording quality. </p> <section><title>Purpose</title> <p>The purpose of this tutorial is to show you how to set the appropriate quality level for a video recording. </p> <p><b>Required Background</b> </p> <p>The <xref href="GUID-2DC80BA9-7AA2-5CD3-9105-1DE28CE196C1.dita">Video Client Overview</xref> introduces the video client utilities. </p> <p><b>Introduction</b> </p> <p>Factors such as bit rate, frame rate, resolution and so on, determine the quality of video recordings. You can control the quality of video recordings by selecting the appropriate quality level. </p> </section> <section><title>Using Video Quality </title> <p>The following tasks are covered in this tutorial: </p> <ul><li id="GUID-1DE5BE82-4DD2-58D6-BA4E-6CBCBB01E3B4"><p><xref href="GUID-C08BBBAD-3605-53E3-A94F-ECCFFB80E1DD.dita#GUID-C08BBBAD-3605-53E3-A94F-ECCFFB80E1DD/GUID-80287440-07EC-5D3D-A21A-CFC9FF8A1A0E">Set the Video Recording Quality</xref>  </p> </li> </ul> <p id="GUID-80287440-07EC-5D3D-A21A-CFC9FF8A1A0E"><b>Basic Procedure</b> </p> <p>The high level steps to set the recording quality are shown here: </p> <ol id="GUID-83BB5B61-E310-507D-92D4-E281FEE601A5"><li id="GUID-BD6DE799-8A16-597D-BD8C-2A06722A0827"><p>Create a new video recorder utility object. </p> </li> <li id="GUID-78592F1C-6EDA-55E4-B24D-61B1789911B4"><p>Open a video clip to record. </p> </li> <li id="GUID-F11A6955-3FB0-51FC-A7F1-CFE082B38037"><p>To set the video quality call <xref href="GUID-8A183C79-0EA4-3A4A-B95F-E2F1BF74238D.dita#GUID-8A183C79-0EA4-3A4A-B95F-E2F1BF74238D/GUID-3233F877-46EE-334D-B6E5-2E0D10B5B7E6"><apiname>CVideoRecorderUtility::SetVideoQualityL()</apiname></xref> and set <xref href="GUID-0ECBD369-32A4-3867-AC16-A1BDF3D8CB2C.dita"><apiname>aQuality</apiname></xref> to a value between 0 (lowest quality) and 100 (highest quality). The default value for video quality is 50. </p> </li> <li id="GUID-EAE1C7EC-5198-5141-B548-232FC797B0F6"><p>Call the <xref href="GUID-8A183C79-0EA4-3A4A-B95F-E2F1BF74238D.dita#GUID-8A183C79-0EA4-3A4A-B95F-E2F1BF74238D/GUID-A8B11252-2852-36E4-BE16-BC05888F4ECF"><apiname>CVideoRecorderUtility::Prepare()</apiname></xref> method. </p> </li> <li id="GUID-2D9C2530-19FA-5259-A996-E1FF38E4620E"><p>Control recording normally. </p> </li> </ol> <p><b>Example</b> </p> <codeblock id="GUID-7BC06AC6-DCB7-586F-BB65-029E7A7806A3" xml:space="preserve">//Create new video recorder utility object (iVideoRecorder)
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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// Open the video clip
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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iVideoRecorder-&gt;SetVideoQualityL(75); 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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// set to high quality video recording
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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25a17d01db0c Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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// Call Prepare() and then Record() to record normally</codeblock> </section> <section><title>See Also</title> <p><xref href="GUID-688C515E-3D1B-51BB-A776-A246FA232061.dita">Creating and Preparing a Video Recorder</xref>  </p> <p><xref href="GUID-3B250C0E-5D53-53ED-A02C-16FE8EAEDF86.dita">Configuring the Video Recorder</xref>  </p> <p><xref href="GUID-ED700A4A-3BBF-5048-92CB-E3677A0FD09F.dita">Enabling/Disabling Video Recording</xref>  </p> <p><xref href="GUID-18D7228F-A1E5-594A-B654-EF5D74CE17D2.dita">Recording Video Data</xref>  </p> <p><xref href="GUID-2D20B6DF-BE02-50CF-8E9F-14E3402EF952.dita">Setting Video Metadata</xref>  </p> <p><xref href="GUID-44EDB476-33E2-5D91-8CC2-A04369AACCA4.dita">Controlling the Video Plugin</xref>  </p> </section> </conbody></concept>