libtelepathy-farstream-doc 0.6.1-0ubuntu1 / usr / share / gtk-doc / html / telepathy-farstream / TfContent.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>telepathy-farstream Reference Manual: TfContent</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="telepathy-farstream Reference Manual">
<link rel="up" href="ch01.html" title="Telepathy Farstream Helper Classes">
<link rel="prev" href="TfChannel.html" title="TfChannel">
<meta name="generator" content="GTK-Doc V1.20 (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="10"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 
                  <a href="#TfContent.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 
                  <a href="#TfContent.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 
                  <a href="#TfContent.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span> 
                  <a href="#TfContent.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="TfChannel.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><img src="right-insensitive.png" width="16" height="16" border="0"></td>
</tr></table>
<div class="refentry">
<a name="TfContent"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="TfContent.top_of_page"></a>TfContent</span></h2>
<p>TfContent — Represent the Content of a channel handled by <a class="link" href="TfChannel.html" title="TfChannel"><span class="type">TfChannel</span></a></p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="TfContent.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">GstIterator</span> *
</td>
<td class="function_name">
<a class="link" href="TfContent.html#tf-content-iterate-src-pads" title="tf_content_iterate_src_pads ()">tf_content_iterate_src_pads</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="TfContent.html#tf-content-error" title="tf_content_error ()">tf_content_error</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="TfContent.html#tf-content-error-literal" title="tf_content_error_literal ()">tf_content_error_literal</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="TfContent.html#tf-content-receiving-failed" title="tf_content_receiving_failed ()">tf_content_receiving_failed</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="TfContent.html#tf-content-receiving-failed-literal" title="tf_content_receiving_failed_literal ()">tf_content_receiving_failed_literal</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="TfContent.html#tf-content-sending-failed" title="tf_content_sending_failed ()">tf_content_sending_failed</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="TfContent.html#tf-content-sending-failed-literal" title="tf_content_sending_failed_literal ()">tf_content_sending_failed_literal</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="TfContent.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type">
<span class="type">FsConference</span> *</td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--fs-conference" title="The “fs-conference” property">fs-conference</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<span class="type">FsSession</span> *</td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--fs-session" title="The “fs-session” property">fs-session</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">FsMediaType</span></td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--media-type" title="The “media-type” property">media-type</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--object-path" title="The “object-path” property">object-path</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<span class="type">GstPad</span> *</td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--sink-pad" title="The “sink-pad” property">sink-pad</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="TfChannel.html" title="TfChannel"><span class="type">TfChannel</span></a> *</td>
<td class="property_name"><a class="link" href="TfContent.html#TfContent--tf-channel" title="The “tf-channel” property">tf-channel</a></td>
<td class="property_flags">Read</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="TfContent.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-restart-source" title="The “restart-source” signal">restart-source</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-src-pad-added" title="The “src-pad-added” signal">src-pad-added</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">gboolean</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-start-receiving" title="The “start-receiving” signal">start-receiving</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">gboolean</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-start-sending" title="The “start-sending” signal">start-sending</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-stop-receiving" title="The “stop-receiving” signal">stop-receiving</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="TfContent.html#TfContent-stop-sending" title="The “stop-sending” signal">stop-sending</a></td>
<td class="signal_flags">Run Last</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="TfContent.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="TfContent.html#TfContent-struct" title="TfContent">TfContent</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="TfContent.html#TfContentClass" title="TfContentClass">TfContentClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="TfContent.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> TfContent
</pre>
</div>
<div class="refsect1">
<a name="TfContent.description"></a><h2>Description</h2>
<p>Objects of this class allow the user to handle the media side of a Telepathy
channel handled by <a class="link" href="TfChannel.html" title="TfChannel"><span class="type">TfChannel</span></a>.</p>
<p>This object is created by the <a class="link" href="TfChannel.html" title="TfChannel"><span class="type">TfChannel</span></a> and the user is notified
of its creation by the <a class="link" href="TfChannel.html#TfChannel-content-added" title="The “content-added” signal"><span class="type">“content-added”</span></a> signal. In the
callback for this signal, the user should connect to the
<a class="link" href="TfContent.html#TfContent-src-pad-added" title="The “src-pad-added” signal"><span class="type">“src-pad-added”</span></a> signal.</p>
</div>
<div class="refsect1">
<a name="TfContent.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="tf-content-iterate-src-pads"></a><h3>tf_content_iterate_src_pads ()</h3>
<pre class="programlisting"><span class="returnvalue">GstIterator</span> *
tf_content_iterate_src_pads (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                             <em class="parameter"><code><span class="type">guint</span> *handles</code></em>,
                             <em class="parameter"><code><span class="type">guint</span> handle_count</code></em>);</pre>
<p>Provides a iterator that can be used to iterate through all of the src
pads that are are used to receive from a group of Telepathy handles.</p>
<div class="refsect3">
<a name="id-1.2.3.9.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handles</p></td>
<td class="parameter_description"><p>a 0 terminated array of <span class="type">guint</span> representing Telepathy handles</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle_count</p></td>
<td class="parameter_description"><p>the numner of handles in <em class="parameter"><code>handles</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.9.2.6"></a><h4>Returns</h4>
<p> a <span class="type">GstIterator</span></p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-error"></a><h3>tf_content_error ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_error (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                  <em class="parameter"><code>const <span class="type">gchar</span> *message_format</code></em>,
                  <em class="parameter"><code>...</code></em>);</pre>
<p>Send a fatal streaming error to the Content to the CM, the effect is most
likely that the content will be removed.</p>
<div class="refsect3">
<a name="id-1.2.3.9.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message_format</p></td>
<td class="parameter_description"><p>error Message with printf style formatting</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>Parameters to insert into the <em class="parameter"><code>message_format</code></em>
string</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-error-literal"></a><h3>tf_content_error_literal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_error_literal (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                          <em class="parameter"><code>const <span class="type">gchar</span> *message</code></em>);</pre>
<p>Send a fatal streaming error to the Content to the CM, the effect is most
likely that the content will be removed.</p>
<p>Rename to: tf_content_error</p>
<div class="refsect3">
<a name="id-1.2.3.9.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message</p></td>
<td class="parameter_description"><p>error Message</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-receiving-failed"></a><h3>tf_content_receiving_failed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_receiving_failed (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                             <em class="parameter"><code><span class="type">guint</span> *handles</code></em>,
                             <em class="parameter"><code><span class="type">guint</span> handle_count</code></em>,
                             <em class="parameter"><code>const <span class="type">gchar</span> *message_format</code></em>,
                             <em class="parameter"><code>...</code></em>);</pre>
<p>Informs the Connection Manager that receiving has failed for this
content. This is a transient error and it may or not not end the Content
and the call.</p>
<p>If handles are not specific, it assumes that it is valid for all handles.</p>
<div class="refsect3">
<a name="id-1.2.3.9.5.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handles</p></td>
<td class="parameter_description"><p>an array of <span class="type">guint</span> representing Telepathy handles, may be <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle_count</p></td>
<td class="parameter_description"><p>the numner of handles in <em class="parameter"><code>handles</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message_format</p></td>
<td class="parameter_description"><p>Message with printf style formatting</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>Parameters to insert into the <em class="parameter"><code>message_format</code></em>
string</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-receiving-failed-literal"></a><h3>tf_content_receiving_failed_literal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_receiving_failed_literal (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                                     <em class="parameter"><code><span class="type">guint</span> *handles</code></em>,
                                     <em class="parameter"><code><span class="type">guint</span> handle_count</code></em>,
                                     <em class="parameter"><code>const <span class="type">gchar</span> *message</code></em>);</pre>
<p>Informs the Connection Manager that receiving has failed for this
content. This is a transient error and it may or not not end the Content
and the call.</p>
<p>If handles are not specific, it assumes that it is valid for all handles.</p>
<p>Rename to: tf_content_receiving_failed</p>
<div class="refsect3">
<a name="id-1.2.3.9.6.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handles</p></td>
<td class="parameter_description"><p>an array of <span class="type">guint</span> representing Telepathy handles, may be <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle_count</p></td>
<td class="parameter_description"><p>the numner of handles in <em class="parameter"><code>handles</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message</p></td>
<td class="parameter_description"><p>The error message</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-sending-failed"></a><h3>tf_content_sending_failed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_sending_failed (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                           <em class="parameter"><code>const <span class="type">gchar</span> *message_format</code></em>,
                           <em class="parameter"><code>...</code></em>);</pre>
<p>Informs the Connection Manager that sending has failed for this
content. This is a transient error and it may or not not end the Content
and the call.</p>
<div class="refsect3">
<a name="id-1.2.3.9.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message_format</p></td>
<td class="parameter_description"><p>Message with printf style formatting</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>Parameters to insert into the <em class="parameter"><code>message_format</code></em>
string</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="tf-content-sending-failed-literal"></a><h3>tf_content_sending_failed_literal ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
tf_content_sending_failed_literal (<em class="parameter"><code><a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content</code></em>,
                                   <em class="parameter"><code>const <span class="type">gchar</span> *message</code></em>);</pre>
<p>Informs the Connection Manager that sending has failed for this
content. This is a transient error and it may or not not end the Content
and the call.</p>
<p>Rename to: tf_content_sending_failed</p>
<div class="refsect3">
<a name="id-1.2.3.9.8.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>a <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>message</p></td>
<td class="parameter_description"><p>The error message</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="TfContent.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="TfContent-struct"></a><h3>TfContent</h3>
<pre class="programlisting">typedef struct _TfContent TfContent;</pre>
<p>This structure is private, this class is not subclassable.</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContentClass"></a><h3>TfContentClass</h3>
<pre class="programlisting">typedef struct _TfContentClass TfContentClass;</pre>
<p>This structure is private, this class is not subclassable.</p>
</div>
</div>
<div class="refsect1">
<a name="TfContent.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="TfContent--fs-conference"></a><h3>The <code class="literal">“fs-conference”</code> property</h3>
<pre class="programlisting">  “fs-conference”            <span class="type">FsConference</span> *</pre>
<p>The Farstream conference for this content (could be the same as other contents).</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent--fs-session"></a><h3>The <code class="literal">“fs-session”</code> property</h3>
<pre class="programlisting">  “fs-session”               <span class="type">FsSession</span> *</pre>
<p>The Farstream session for this content.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent--media-type"></a><h3>The <code class="literal">“media-type”</code> property</h3>
<pre class="programlisting">  “media-type”               <span class="type">FsMediaType</span></pre>
<p>The FsMediaType for this content.</p>
<p>Flags: Read</p>
<p>Default value: FS_MEDIA_TYPE_AUDIO</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent--object-path"></a><h3>The <code class="literal">“object-path”</code> property</h3>
<pre class="programlisting">  “object-path”              <span class="type">gchar</span> *</pre>
<p>D-Bus object path of the Telepathy content which this content operates on.</p>
<p>Flags: Read</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent--sink-pad"></a><h3>The <code class="literal">“sink-pad”</code> property</h3>
<pre class="programlisting">  “sink-pad”                 <span class="type">GstPad</span> *</pre>
<p>Sink GstPad for this content.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent--tf-channel"></a><h3>The <code class="literal">“tf-channel”</code> property</h3>
<pre class="programlisting">  “tf-channel”               <a class="link" href="TfChannel.html" title="TfChannel"><span class="type">TfChannel</span></a> *</pre>
<p>The Telepathy-Farstream Channel for this object.</p>
<p>Flags: Read</p>
</div>
</div>
<div class="refsect1">
<a name="TfContent.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="TfContent-restart-source"></a><h3>The <code class="literal">“restart-source”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal requests that the source be restarted so that the caps can
be renegotiated with a new resolutions and framerate.</p>
<div class="refsect3">
<a name="id-1.2.3.12.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent-src-pad-added"></a><h3>The <code class="literal">“src-pad-added”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">guint</span>      handle,
               <span class="type">FsStream</span>  *stream,
               <span class="type">GstPad</span>    *pad,
               <span class="type">FsCodec</span>   *codec,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal is emitted when a data is coming on a new pad. This signal
is not emitted on the main thread, so special care must be made to lock
the relevant data. When the callback returns from this signal, data will
start flowing through the pad, so the application MUST connect a sink.</p>
<div class="refsect3">
<a name="id-1.2.3.12.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle</p></td>
<td class="parameter_description"><p>the handle of the remote party producing the content on this pad
or 0 if unknown</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stream</p></td>
<td class="parameter_description"><p>the <span class="type">FsStream</span> for this pad</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>a <span class="type">GstPad</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>codec</p></td>
<td class="parameter_description"><p>the <span class="type">FsCodec</span> for this pad</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent-start-receiving"></a><h3>The <code class="literal">“start-receiving”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">gpointer</span>   handles,
               <span class="type">guint</span>      handle_count,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal is emitted when the connection managers requests that the
application prepares itself to start receiving data again from certain
handles.</p>
<p>This signal will only be emitted after the <a class="link" href="TfContent.html#TfContent-stop-receiving" title="The “stop-receiving” signal"><span class="type">“stop-receiving”</span></a>
signal has succeeded. It will not be emitted right after
 <a class="link" href="TfContent.html#TfContent-src-pad-added" title="The “src-pad-added” signal"><span class="type">“src-pad-added”</span></a>.</p>
<div class="refsect3">
<a name="id-1.2.3.12.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handles</p></td>
<td class="parameter_description"><p>a 0-terminated array of <span class="type">guint</span> containing the handles</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle_count</p></td>
<td class="parameter_description"><p>The number of handles in the <em class="parameter"><code>handles</code></em>
array</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.12.4.7"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the application can start receiving data or <code class="literal">FALSE</code>
otherwise</p>
<p></p>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent-start-sending"></a><h3>The <code class="literal">“start-sending”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal is emitted when the connection manager ask to send media.
For example, this can be used to open a camera, start recording from a
microphone or play back a file. The application should start
sending data on the <a class="link" href="TfContent.html#TfContent--sink-pad" title="The “sink-pad” property"><span class="type">“sink-pad”</span></a></p>
<div class="refsect3">
<a name="id-1.2.3.12.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.12.5.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the application can start providing data or <code class="literal">FALSE</code>
otherwise</p>
<p></p>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent-stop-receiving"></a><h3>The <code class="literal">“stop-receiving”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">gpointer</span>   handles,
               <span class="type">guint</span>      handle_count,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal is emitted when the connection manager wants to tell the
application that it is now allowed to stop receiving.</p>
<div class="refsect3">
<a name="id-1.2.3.12.6.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handles</p></td>
<td class="parameter_description"><p>a 0-terminated array of <span class="type">guint</span> containing the handles</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handle_count</p></td>
<td class="parameter_description"><p>The number of handles in the <em class="parameter"><code>handles</code></em>
array</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
<hr>
<div class="refsect2">
<a name="TfContent-stop-sending"></a><h3>The <code class="literal">“stop-sending”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a> *content,
               <span class="type">gpointer</span>   user_data)</pre>
<p>This signal is emitted when the connection manager ask to stop
sending media</p>
<div class="refsect3">
<a name="id-1.2.3.12.7.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>content</p></td>
<td class="parameter_description"><p>the <a class="link" href="TfContent.html" title="TfContent"><span class="type">TfContent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
</div>
</div>
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