Symbian3/SDK/Source/GUID-EFAEDFA5-3807-56EB-8D47-3A6960C4056C.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
changeset 13 48780e181b38
parent 8 ae94777fff8f
permissions -rw-r--r--
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-EFAEDFA5-3807-56EB-8D47-3A6960C4056C" xml:lang="en"><title>How
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to use the SDP Codec API</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<section id="GUID-36C9040A-BE35-5DAD-8D32-089C45AD6A6C"><title>Protocols</title> <p>The
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following steps describe how to use the SDP Codec API to create an SDP description: </p> <ul>
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<li id="GUID-E54E7175-023E-57B7-867C-C7B2132DC1F4"><p>Create a <xref href="GUID-FF6D4EAD-3AAE-3843-8A9C-7C92426FC29F.dita"><apiname>CSdpDocument</apiname></xref> object
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and open the string pool before use. <b>Note</b>: The string table includes
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predefined SDP constants for which handles are retrieved when <xref href="GUID-6841DB3A-C481-34D0-9428-236CCC316BBD.dita#GUID-6841DB3A-C481-34D0-9428-236CCC316BBD/GUID-82ABB289-BADC-33C7-B950-3FFAF50B48F1"><apiname>SdpCodecStringPool::StringPoolL()</apiname></xref> is
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called. The string table includes all predefined SDP related constants. </p> </li>
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<li id="GUID-5865EC55-8737-50C3-8E3A-59E2864A2FB9"><p>The net type and the
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address type of the connection and origin field parameters that are predefined
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are retrieved from the string pool. </p> </li>
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<li id="GUID-8CA935E5-00A8-5B8C-8615-F1045657AEA5"><p>Create the origin field
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with origin field parameters, and set the <xref href="GUID-FF6D4EAD-3AAE-3843-8A9C-7C92426FC29F.dita"><apiname>CSdpDocument</apiname></xref> object. </p> </li>
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<li id="GUID-F54C71B1-F53F-51B5-BC34-47250D11B2FE"><p>Create the connection
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field from the connection parameters, and set the <xref href="GUID-FF6D4EAD-3AAE-3843-8A9C-7C92426FC29F.dita"><apiname>CSdpDocument</apiname></xref> object. </p> </li>
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<li id="GUID-96FCCAE1-4DE2-5113-BA06-D5486621F809"><p>When you finish with
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the SDP description, delete the <xref href="GUID-FF6D4EAD-3AAE-3843-8A9C-7C92426FC29F.dita"><apiname>CSdpDocument</apiname></xref> object and
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close the string pool. </p> </li>
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</ul> <p>The following illustration shows how to create an SDP description. </p> <fig id="GUID-FB29EDEC-BD06-5571-BDCE-A6E8A9A94613">
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<image href="GUID-55754EF4-EC25-5CE3-9B38-79F278BCF19F_d0e343436_href.png" placement="inline"/>
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</fig> <p> <b>Note</b>: In the following illustration only required SDP fields
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are included. </p> </section>
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<section id="GUID-0C86D6D3-2EDD-54B8-A2FE-E68CF43D40E8"><title>Error handling</title> <p>All
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function calls are synchronous. When an error occurs the functions leave with
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SDP Codec specific error codes and Symbian platform error codes. </p> </section>
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</conbody></concept>