<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>RTP Specific types: Farstream Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> <link rel="home" href="index.html" title="Farstream Reference Manual"> <link rel="up" href="ch02.html" title="Protocol Specific types"> <link rel="prev" href="ch02.html" title="Protocol Specific types"> <link rel="next" href="ch03.html" title="Farstream Utility Functions and Objects"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span 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</tr></table></div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="returnvalue">FsRtpHeaderExtension</span></a> * </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-new" title="fs_rtp_header_extension_new ()">fs_rtp_header_extension_new</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="returnvalue">FsRtpHeaderExtension</span></a> * </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-copy" title="fs_rtp_header_extension_copy ()">fs_rtp_header_extension_copy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-destroy" title="fs_rtp_header_extension_destroy ()">fs_rtp_header_extension_destroy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">gboolean</span> </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-are-equal" title="fs_rtp_header_extension_are_equal ()">fs_rtp_header_extension_are_equal</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">GList</span> * </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-list-copy" title="fs_rtp_header_extension_list_copy ()">fs_rtp_header_extension_list_copy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-list-destroy" title="fs_rtp_header_extension_list_destroy ()">fs_rtp_header_extension_list_destroy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">GList</span> * </td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-list-from-keyfile" title="fs_rtp_header_extension_list_from_keyfile ()">fs_rtp_header_extension_list_from_keyfile</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="define_keyword">#define</td> <td class="function_name"> <a class="link" href="farstream-libs-RTP-Specific-types.html#FS-RTP-HEADER-EXTENSION-ARGS:CAPS" title="FS_RTP_HEADER_EXTENSION_ARGS()">FS_RTP_HEADER_EXTENSION_ARGS</a><span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="datatype_keyword"> </td> <td class="function_name"><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension">FsRtpHeaderExtension</a></td> </tr> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="farstream-libs-RTP-Specific-types.html#FS-RTP-HEADER-EXTENSION-FORMAT:CAPS" title="FS_RTP_HEADER_EXTENSION_FORMAT">FS_RTP_HEADER_EXTENSION_FORMAT</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <farstream/fs-rtp.h> </pre> </div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.description"></a><h2>Description</h2> </div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="fs-rtp-header-extension-new"></a><h3>fs_rtp_header_extension_new ()</h3> <pre class="programlisting"><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="returnvalue">FsRtpHeaderExtension</span></a> * fs_rtp_header_extension_new (<em class="parameter"><code><span class="type">guint</span> id</code></em>, <em class="parameter"><code><a class="link" href="FsStream.html#FsStreamDirection" title="enum FsStreamDirection"><span class="type">FsStreamDirection</span></a> direction</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>);</pre> <p>Creates a new <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> <div class="refsect3"> <a name="fs-rtp-header-extension-new.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>id</p></td> <td class="parameter_description"><p>The identifier of the RTP header extension</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>direction</p></td> <td class="parameter_description"><p>the direction in which this extension can be used</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>uri</p></td> <td class="parameter_description"><p>The URI that defines this extension</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="fs-rtp-header-extension-new.returns"></a><h4>Returns</h4> <p> a new <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-copy"></a><h3>fs_rtp_header_extension_copy ()</h3> <pre class="programlisting"><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="returnvalue">FsRtpHeaderExtension</span></a> * fs_rtp_header_extension_copy (<em class="parameter"><code><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> *extension</code></em>);</pre> <p>Copies a <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> <p><span class="annotation">[<a href="http://foldoc.org/skip"><span class="acronym">skip</span></a>]</span></p> <div class="refsect3"> <a name="fs-rtp-header-extension-copy.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>extension</p></td> <td class="parameter_description"><p>The RTP header extension definition to copy</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="fs-rtp-header-extension-copy.returns"></a><h4>Returns</h4> <p> a new <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-destroy"></a><h3>fs_rtp_header_extension_destroy ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> fs_rtp_header_extension_destroy (<em class="parameter"><code><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> *extension</code></em>);</pre> <p>Frees the passed <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> <p><span class="annotation">[<a href="http://foldoc.org/skip"><span class="acronym">skip</span></a>]</span></p> <div class="refsect3"> <a name="fs-rtp-header-extension-destroy.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>extension</p></td> <td class="parameter_description"><p>A RTP header extension to free</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-are-equal"></a><h3>fs_rtp_header_extension_are_equal ()</h3> <pre class="programlisting"><span class="returnvalue">gboolean</span> fs_rtp_header_extension_are_equal (<em class="parameter"><code><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> *extension1</code></em>, <em class="parameter"><code><a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> *extension2</code></em>);</pre> <p>Compares two <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> structures</p> <div class="refsect3"> <a name="fs-rtp-header-extension-are-equal.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>extension1</p></td> <td class="parameter_description"><p>The first <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>extension2</p></td> <td class="parameter_description"><p>The second <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="fs-rtp-header-extension-are-equal.returns"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> if they are identical, <code class="literal">FALSE</code> otherwise</p> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-list-copy"></a><h3>fs_rtp_header_extension_list_copy ()</h3> <pre class="programlisting"><span class="returnvalue">GList</span> * fs_rtp_header_extension_list_copy (<em class="parameter"><code><span class="type">GList</span> *extensions</code></em>);</pre> <p>Does a deep copy of a <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> <div class="refsect3"> <a name="fs-rtp-header-extension-list-copy.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>extensions</p></td> <td class="parameter_description"><p>a <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a>. </p></td> <td class="parameter_annotations"><span class="annotation">[<a href="http://foldoc.org/element-type"><span class="acronym">element-type</span></a> FsRtpHeaderExtension][<a href="http://foldoc.org/transfer%20none"><span class="acronym">transfer none</span></a>]</span></td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="fs-rtp-header-extension-list-copy.returns"></a><h4>Returns</h4> <p>a new <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a>. </p> <p><span class="annotation">[<a href="http://foldoc.org/element-type"><span class="acronym">element-type</span></a> FsRtpHeaderExtension][<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-list-destroy"></a><h3>fs_rtp_header_extension_list_destroy ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> fs_rtp_header_extension_list_destroy (<em class="parameter"><code><span class="type">GList</span> *extensions</code></em>);</pre> <p>Frees the passed <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p> <p><span class="annotation">[<a href="http://foldoc.org/skip"><span class="acronym">skip</span></a>]</span></p> <div class="refsect3"> <a name="fs-rtp-header-extension-list-destroy.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>extensions</p></td> <td class="parameter_description"><p>a <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="fs-rtp-header-extension-list-from-keyfile"></a><h3>fs_rtp_header_extension_list_from_keyfile ()</h3> <pre class="programlisting"><span class="returnvalue">GList</span> * fs_rtp_header_extension_list_from_keyfile (<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>, <em class="parameter"><code><a class="link" href="farstream-libs-FsCodec.html#FsMediaType" title="enum FsMediaType"><span class="type">FsMediaType</span></a> media_type</code></em>, <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre> <p>Reads the content of a <span class="type">GKeyFile</span> of the following format into a <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> structures.</p> <p>The groups have a format "rtp-hdrext:audio:XXX" or "rtp-hdrext:video:XXX" where XXX is a unique string (per media type).</p> <p>The valid keys are:</p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem">id: a int between in the 1-255 and 4096-4351 ranges</li> <li class="listitem">uri: a URI describing the RTP Header Extension</li> <li class="listitem">direction (optional): To only send or receive a RTP Header Extension, possible values are "send", "receive", "none" or "both". Defaults to "both"</li> </ul></div> <p>Example:</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1 2 3 4 5 6 7 8</pre></td> <td class="listing_code"><pre class="programlisting"><span class="p">[</span><span class="n">rtp</span><span class="o">-</span><span class="nl">hdrext</span><span class="p">:</span><span class="nl">audio</span><span class="p">:</span><span class="n">a</span><span class="p">]</span> <span class="n">id</span><span class="o">=</span><span class="mi">1</span> <span class="n">uri</span><span class="o">=</span><span class="nl">urn</span><span class="p">:</span><span class="nl">ietf</span><span class="p">:</span><span class="nl">params</span><span class="p">:</span><span class="n">rtp</span><span class="o">-</span><span class="nl">hdrext</span><span class="p">:</span><span class="n">toffset</span> <span class="p">[</span><span class="n">rtp</span><span class="o">-</span><span class="nl">hdrext</span><span class="p">:</span><span class="nl">audio</span><span class="p">:</span><span class="n">abc</span><span class="p">]</span> <span class="n">id</span><span class="o">=</span><span class="mi">3</span> <span class="n">uri</span><span class="o">=</span><span class="nl">urn</span><span class="p">:</span><span class="nl">ietf</span><span class="p">:</span><span class="nl">params</span><span class="p">:</span><span class="n">rtp</span><span class="o">-</span><span class="nl">hdrext</span><span class="p">:</span><span class="n">ntp</span><span class="o">-</span><span class="mi">64</span> <span class="n">direction</span><span class="o">=</span><span class="n">receive</span></pre></td> </tr> </tbody> </table> </div> <p></p> <div class="refsect3"> <a name="fs-rtp-header-extension-list-from-keyfile.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>filename</p></td> <td class="parameter_description"><p>Name of the <span class="type">GKeyFile</span> to read the RTP Header Extensions from</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>media_type</p></td> <td class="parameter_description"><p>The media type for which to get header extensions</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>error</p></td> <td class="parameter_description"><p>location of a <span class="type">GError</span>, or NULL if no error occured</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="fs-rtp-header-extension-list-from-keyfile.returns"></a><h4>Returns</h4> <p>a <span class="type">GList</span> of <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a> that must be freed with <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-list-destroy" title="fs_rtp_header_extension_list_destroy ()"><code class="function">fs_rtp_header_extension_list_destroy()</code></a>. </p> <p><span class="annotation">[<a href="http://foldoc.org/element-type"><span class="acronym">element-type</span></a> FsRtpHeaderExtension][<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="FS-RTP-HEADER-EXTENSION-ARGS:CAPS"></a><h3>FS_RTP_HEADER_EXTENSION_ARGS()</h3> <pre class="programlisting">#define FS_RTP_HEADER_EXTENSION_ARGS(hdrext)</pre> <p>Formats the codec in args for FS_RTP_HEADER_EXTENSION_ARGS</p> <div class="refsect3"> <a name="FS-RTP-HEADER-EXTENSION-ARGS.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>hdrext</p></td> <td class="parameter_description"><p>a <a class="link" href="farstream-libs-RTP-Specific-types.html#FsRtpHeaderExtension" title="FsRtpHeaderExtension"><span class="type">FsRtpHeaderExtension</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> </div> <div class="refsect1"> <a name="farstream-libs-RTP-Specific-types.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="FsRtpHeaderExtension"></a><h3>FsRtpHeaderExtension</h3> <pre class="programlisting">typedef struct { guint id; FsStreamDirection direction; gchar *uri; } FsRtpHeaderExtension; </pre> <p>Defines a RTP header extension with its negotiated identifier, direction and URI. They should only be created with <a class="link" href="farstream-libs-RTP-Specific-types.html#fs-rtp-header-extension-new" title="fs_rtp_header_extension_new ()"><code class="function">fs_rtp_header_extension_new()</code></a>.</p> <div class="refsect3"> <a name="FsRtpHeaderExtension.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="struct_members_name"> <col class="struct_members_description"> <col width="200px" class="struct_members_annotations"> </colgroup> <tbody> <tr> <td class="struct_member_name"><p><span class="type">guint</span> <em class="structfield"><code><a name="FsRtpHeaderExtension.id"></a>id</code></em>;</p></td> <td class="struct_member_description"><p>The identifier of the RTP header extension</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p><a class="link" href="FsStream.html#FsStreamDirection" title="enum FsStreamDirection"><span class="type">FsStreamDirection</span></a> <em class="structfield"><code><a name="FsRtpHeaderExtension.direction"></a>direction</code></em>;</p></td> <td class="struct_member_description"><p>the direction in which this extension can be used</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p><span class="type">gchar</span> *<em class="structfield"><code><a name="FsRtpHeaderExtension.uri"></a>uri</code></em>;</p></td> <td class="struct_member_description"><p>The URI that defines this extension</p></td> <td class="struct_member_annotations"> </td> </tr> </tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="FS-RTP-HEADER-EXTENSION-FORMAT:CAPS"></a><h3>FS_RTP_HEADER_EXTENSION_FORMAT</h3> <pre class="programlisting">#define FS_RTP_HEADER_EXTENSION_FORMAT "%d: (%s) %s" </pre> <p>A format that can be used in printf like format strings to format a FsRtpHeaderExtension</p> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>