<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>gstreamermm: Gst::MessageRequestState Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> </ul> </div> <div class="tabs"> <ul> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div class="navpath"><a class="el" href="namespaceGst.html">Gst</a>::<a class="el" href="classGst_1_1MessageRequestState.html">MessageRequestState</a> </div> </div> <div class="contents"> <h1>Gst::MessageRequestState Class Reference</h1><!-- doxytag: class="Gst::MessageRequestState" --><!-- doxytag: inherits="Gst::Message" --> <p>A request state message. <a href="#_details">More...</a></p> <p>Inherits <a class="el" href="classGst_1_1Message.html">Gst::Message</a>.</p> <div class="dynheader"> Collaboration diagram for Gst::MessageRequestState:</div> <div class="dynsection"> <div class="center"><img src="classGst_1_1MessageRequestState__coll__graph.png" border="0" usemap="#Gst_1_1MessageRequestState_coll__map" alt="Collaboration graph"/></div> <map name="Gst_1_1MessageRequestState_coll__map" id="Gst_1_1MessageRequestState_coll__map"> <area shape="rect" href="classGst_1_1Message.html" title="Gst::Message - Lightweight objects to signal the application of pipeline events." alt="" coords="44,83,148,112"/><area shape="rect" href="classGst_1_1MiniObject.html" title="Gst::MiniObject" alt="" coords="40,5,152,35"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classGst_1_1MessageRequestState-members.html">List of all members.</a></p> <table border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2"><h2>Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MessageRequestState.html#a176b94a0ecd2cf72c3719664ebf34c99">MessageRequestState</a> (GstMessage* castitem)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__gstreamermmEnums.html#gabb043e1d41659fd842f10949f91e7a7f">Gst::State</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MessageRequestState.html#a48c73898fa8b0f9878cdbe2dcfa97435">parse</a> () const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Extract the requested state from the request_state message. <a href="#a48c73898fa8b0f9878cdbe2dcfa97435"></a><br/></td></tr> <tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">static <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGst_1_1Message.html">Gst::Message</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MessageRequestState.html#a04c9d7efce9c863f8273251471e37cc8">create</a> (const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& src, <a class="el" href="group__gstreamermmEnums.html#gabb043e1d41659fd842f10949f91e7a7f">Gst::State</a> state)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">This message can be posted by elements when they want to have their state changed. <a href="#a04c9d7efce9c863f8273251471e37cc8"></a><br/></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>A request state message. </p> <p>See <a class="el" href="classGst_1_1MessageRequestState.html#a04c9d7efce9c863f8273251471e37cc8" title="This message can be posted by elements when they want to have their state changed...">create()</a> for more details. </p> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a176b94a0ecd2cf72c3719664ebf34c99"></a><!-- doxytag: member="Gst::MessageRequestState::MessageRequestState" ref="a176b94a0ecd2cf72c3719664ebf34c99" args="(GstMessage *castitem)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Gst::MessageRequestState::MessageRequestState </td> <td>(</td> <td class="paramtype">GstMessage * </td> <td class="paramname"> <em>castitem</em></td> <td> ) </td> <td><code> [explicit]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a04c9d7efce9c863f8273251471e37cc8"></a><!-- doxytag: member="Gst::MessageRequestState::create" ref="a04c9d7efce9c863f8273251471e37cc8" args="(const Glib::RefPtr< Gst::Object > &src, Gst::State state)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">static <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classGst_1_1Message.html">Gst::Message</a>> Gst::MessageRequestState::create </td> <td>(</td> <td class="paramtype">const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& </td> <td class="paramname"> <em>src</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#gabb043e1d41659fd842f10949f91e7a7f">Gst::State</a> </td> <td class="paramname"> <em>state</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [static]</code></td> </tr> </table> </div> <div class="memdoc"> <p>This message can be posted by elements when they want to have their state changed. </p> <p>A typical use case would be an audio server that wants to pause the pipeline because a higher priority stream is being played.</p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>The object originating the message. </td></tr> <tr><td valign="top"></td><td valign="top"><em>state</em> </td><td>The new requested state. </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>The new requst state message. MT safe.</dd></dl> <p>Since 0.10.23. </p> </div> </div> <a class="anchor" id="a48c73898fa8b0f9878cdbe2dcfa97435"></a><!-- doxytag: member="Gst::MessageRequestState::parse" ref="a48c73898fa8b0f9878cdbe2dcfa97435" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__gstreamermmEnums.html#gabb043e1d41659fd842f10949f91e7a7f">Gst::State</a> Gst::MessageRequestState::parse </td> <td>(</td> <td class="paramname"></td> <td> ) </td> <td> const</td> </tr> </table> </div> <div class="memdoc"> <p>Extract the requested state from the request_state message. </p> <dl class="return"><dt><b>Returns:</b></dt><dd>The state. MT safe.</dd></dl> <p>Since 0.10.23. </p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li>gstreamermm/message.h</li> </ul> </div> <hr size="1"/><address style="text-align: right;"><small>Generated on Mon Sep 21 22:32:58 2009 for gstreamermm by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address> </body> </html>