<!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"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>gstreamermm: Gst::Message Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-extra.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">gstreamermm
 <span id="projectnumber">1.10.0</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="namespaceGst.html">Gst</a></li><li class="navelem"><a class="el" href="classGst_1_1Message.html">Message</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-methods">Protected Member Functions</a> |
<a href="#related">Related Functions</a> |
<a href="classGst_1_1Message-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">Gst::Message Class Reference</div> </div>
</div><!--header-->
<div class="contents">
<p>A class that represents lightweight objects to signal the application of pipeline events.
<a href="classGst_1_1Message.html#details">More...</a></p>
<p><code>#include <gstreamermm/message.h></code></p>
<div class="dynheader">
Inheritance diagram for Gst::Message:</div>
<div class="dyncontent">
<div class="center"><img src="classGst_1_1Message__inherit__graph.png" border="0" usemap="#Gst_1_1Message_inherit__map" alt="Inheritance graph"/></div>
<map name="Gst_1_1Message_inherit__map" id="Gst_1_1Message_inherit__map">
<area shape="rect" id="node3" href="classGst_1_1MessageApplication.html" title="An application message. " alt="" coords="351,5,529,32"/>
<area shape="rect" id="node4" href="classGst_1_1MessageAsyncDone.html" title="An asynchronous done message. " alt="" coords="349,56,531,83"/>
<area shape="rect" id="node5" href="classGst_1_1MessageAsyncStart.html" title="An asynchronous start message. " alt="" coords="351,107,529,133"/>
<area shape="rect" id="node6" href="classGst_1_1MessageBuffering.html" title="A buffering message. " alt="" coords="357,157,523,184"/>
<area shape="rect" id="node7" href="classGst_1_1MessageClockLost.html" title="A clock lost message. " alt="" coords="355,208,525,235"/>
<area shape="rect" id="node8" href="classGst_1_1MessageClockProvide.html" title="A clock provide message. " alt="" coords="345,259,535,285"/>
<area shape="rect" id="node9" href="classGst_1_1MessageCustom.html" title="A custom message. " alt="" coords="361,309,519,336"/>
<area shape="rect" id="node10" href="classGst_1_1MessageDurationChanged.html" title="A duration message. " alt="" coords="329,360,551,387"/>
<area shape="rect" id="node11" href="classGst_1_1MessageElement.html" title="An element specific message. " alt="" coords="359,411,521,437"/>
<area shape="rect" id="node12" href="classGst_1_1MessageEos.html" title="An end of stream message. " alt="" coords="374,461,506,488"/>
<area shape="rect" id="node13" href="classGst_1_1MessageError.html" title="An error message. " alt="" coords="370,512,510,539"/>
<area shape="rect" id="node14" href="classGst_1_1MessageHaveContext.html" title="A have-context message. " alt="" coords="344,563,536,589"/>
<area shape="rect" id="node15" href="classGst_1_1MessageInfo.html" title="An informational message. " alt="" coords="374,613,506,640"/>
<area shape="rect" id="node16" href="classGst_1_1MessageLatency.html" title="A latency message. " alt="" coords="361,664,519,691"/>
<area shape="rect" id="node17" href="classGst_1_1MessageNeedContext.html" title="A need-context message. " alt="" coords="343,715,537,741"/>
<area shape="rect" id="node18" href="classGst_1_1MessageNewClock.html" title="A new clock message. " alt="" coords="355,765,525,792"/>
<area shape="rect" id="node19" href="classGst_1_1MessageProgress.html" title="A progress message. " alt="" coords="357,816,523,843"/>
<area shape="rect" id="node20" href="classGst_1_1MessageQos.html" title="A qos message. " alt="" coords="373,867,507,893"/>
<area shape="rect" id="node21" href="classGst_1_1MessageRequestState.html" title="A request state message. " alt="" coords="343,917,537,944"/>
<area shape="rect" id="node22" href="classGst_1_1MessageResetTime.html" title="A reset-time message. " alt="" coords="353,968,527,995"/>
<area shape="rect" id="node23" href="classGst_1_1MessageSegmentDone.html" title="A segment done message. " alt="" coords="339,1019,541,1045"/>
<area shape="rect" id="node24" href="classGst_1_1MessageSegmentStart.html" title="A segment start message. " alt="" coords="340,1069,540,1096"/>
<area shape="rect" id="node25" href="classGst_1_1MessageStateChanged.html" title="A state change message. " alt="" coords="339,1120,541,1147"/>
<area shape="rect" id="node26" href="classGst_1_1MessageStateDirty.html" title="A state dirty message. " alt="" coords="353,1171,527,1197"/>
<area shape="rect" id="node27" href="classGst_1_1MessageStepDone.html" title="A step done message. " alt="" coords="353,1221,527,1248"/>
<area shape="rect" id="node28" href="classGst_1_1MessageStepStart.html" title="A step start message. " alt="" coords="355,1272,525,1299"/>
<area shape="rect" id="node29" href="classGst_1_1MessageStreamStart.html" title="A stream-start message. " alt="" coords="345,1323,535,1349"/>
<area shape="rect" id="node30" href="classGst_1_1MessageStreamStatus.html" title="A stream status message. " alt="" coords="341,1373,539,1400"/>
<area shape="rect" id="node31" href="classGst_1_1MessageStructureChange.html" title="A structure change message. " alt="" coords="331,1424,549,1451"/>
<area shape="rect" id="node32" href="classGst_1_1MessageTag.html" title="A tag message. " alt="" coords="375,1475,505,1501"/>
<area shape="rect" id="node33" href="classGst_1_1MessageToc.html" title="A toc message. " alt="" coords="375,1525,505,1552"/>
<area shape="rect" id="node34" href="classGst_1_1MessageWarning.html" title="A warning message. " alt="" coords="361,1576,519,1603"/>
<area shape="rect" id="node2" href="classGst_1_1MiniObject.html" title="This is a base class for some gstreamermm objects. " alt="" coords="5,791,124,817"/>
</map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a2099a4607a2a0a99b505cf93ae98b119"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a2099a4607a2a0a99b505cf93ae98b119">reference</a> () const</td></tr>
<tr class="memdesc:a2099a4607a2a0a99b505cf93ae98b119"><td class="mdescLeft"> </td><td class="mdescRight">Increment the reference count for this object. <a href="#a2099a4607a2a0a99b505cf93ae98b119">More...</a><br /></td></tr>
<tr class="separator:a2099a4607a2a0a99b505cf93ae98b119"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5004567f1a590766f568b49969704d82"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a5004567f1a590766f568b49969704d82">unreference</a> () const</td></tr>
<tr class="memdesc:a5004567f1a590766f568b49969704d82"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the reference count for this object. <a href="#a5004567f1a590766f568b49969704d82">More...</a><br /></td></tr>
<tr class="separator:a5004567f1a590766f568b49969704d82"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8248f9cc16be7563206c51537509c17c"><td class="memItemLeft" align="right" valign="top">GstMessage* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a8248f9cc16be7563206c51537509c17c">gobj</a> ()</td></tr>
<tr class="memdesc:a8248f9cc16be7563206c51537509c17c"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#a8248f9cc16be7563206c51537509c17c">More...</a><br /></td></tr>
<tr class="separator:a8248f9cc16be7563206c51537509c17c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af3fe9955e98cca87b33fd5b81c99c94d"><td class="memItemLeft" align="right" valign="top">const GstMessage* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#af3fe9955e98cca87b33fd5b81c99c94d">gobj</a> () const</td></tr>
<tr class="memdesc:af3fe9955e98cca87b33fd5b81c99c94d"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#af3fe9955e98cca87b33fd5b81c99c94d">More...</a><br /></td></tr>
<tr class="separator:af3fe9955e98cca87b33fd5b81c99c94d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a592bb202c83f0ecf9fd61f5470f406bf"><td class="memItemLeft" align="right" valign="top">GstMessage* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a592bb202c83f0ecf9fd61f5470f406bf">gobj_copy</a> () const</td></tr>
<tr class="memdesc:a592bb202c83f0ecf9fd61f5470f406bf"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. <a href="#a592bb202c83f0ecf9fd61f5470f406bf">More...</a><br /></td></tr>
<tr class="separator:a592bb202c83f0ecf9fd61f5470f406bf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a56d79e13d30772238429e2359607a225"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a56d79e13d30772238429e2359607a225">Message</a> ()=delete</td></tr>
<tr class="separator:a56d79e13d30772238429e2359607a225"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af5331ae29329d3231b3c42e8f29d0682"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#af5331ae29329d3231b3c42e8f29d0682">Message</a> (const <a class="el" href="classGst_1_1Message.html">Message</a>&)=delete</td></tr>
<tr class="separator:af5331ae29329d3231b3c42e8f29d0682"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8e6fcde0a19ccac0e92bb9d078f082bf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1Message.html">Message</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a8e6fcde0a19ccac0e92bb9d078f082bf">operator=</a> (const <a class="el" href="classGst_1_1Message.html">Message</a>&)=delete</td></tr>
<tr class="separator:a8e6fcde0a19ccac0e92bb9d078f082bf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2dc80e40445e1b7c26878fd1c28f5cd2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1Structure.html">Gst::Structure</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a2dc80e40445e1b7c26878fd1c28f5cd2">get_structure</a> () const</td></tr>
<tr class="memdesc:a2dc80e40445e1b7c26878fd1c28f5cd2"><td class="mdescLeft"> </td><td class="mdescRight">Access the structure of the message. <a href="#a2dc80e40445e1b7c26878fd1c28f5cd2">More...</a><br /></td></tr>
<tr class="separator:a2dc80e40445e1b7c26878fd1c28f5cd2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad46991a9d4c733c7b78bd29f2b23e861"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1Message.html">Gst::Message</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#ad46991a9d4c733c7b78bd29f2b23e861">create_writable</a> ()</td></tr>
<tr class="memdesc:ad46991a9d4c733c7b78bd29f2b23e861"><td class="mdescLeft"> </td><td class="mdescRight">Checks if a message is writable. <a href="#ad46991a9d4c733c7b78bd29f2b23e861">More...</a><br /></td></tr>
<tr class="separator:ad46991a9d4c733c7b78bd29f2b23e861"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a098b2a7a73657f86f22807d8108e3641"><td class="memItemLeft" align="right" valign="top">guint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a098b2a7a73657f86f22807d8108e3641">get_seqnum</a> () const</td></tr>
<tr class="memdesc:a098b2a7a73657f86f22807d8108e3641"><td class="mdescLeft"> </td><td class="mdescRight">Retrieve the sequence number of a message. <a href="#a098b2a7a73657f86f22807d8108e3641">More...</a><br /></td></tr>
<tr class="separator:a098b2a7a73657f86f22807d8108e3641"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b4c39f3df4d60a7479a04c4eac4f655"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a1b4c39f3df4d60a7479a04c4eac4f655">set_seqnum</a> (guint32 seqnum)</td></tr>
<tr class="memdesc:a1b4c39f3df4d60a7479a04c4eac4f655"><td class="mdescLeft"> </td><td class="mdescRight">Set the sequence number of a message. <a href="#a1b4c39f3df4d60a7479a04c4eac4f655">More...</a><br /></td></tr>
<tr class="separator:a1b4c39f3df4d60a7479a04c4eac4f655"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a79f4b86503197f81ac286d8ef43271f8"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1Message.html">Gst::Message</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a79f4b86503197f81ac286d8ef43271f8">copy</a> () const</td></tr>
<tr class="memdesc:a79f4b86503197f81ac286d8ef43271f8"><td class="mdescLeft"> </td><td class="mdescRight">Creates a copy of the message. <a href="#a79f4b86503197f81ac286d8ef43271f8">More...</a><br /></td></tr>
<tr class="separator:a79f4b86503197f81ac286d8ef43271f8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a56ac3c85e67889669ce416a6026e8030"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__gstreamermmEnums.html#ga704e8de3c3f9698d3c3ca15d61190a86">MessageType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a56ac3c85e67889669ce416a6026e8030">get_message_type</a> () const</td></tr>
<tr class="memdesc:a56ac3c85e67889669ce416a6026e8030"><td class="mdescLeft"> </td><td class="mdescRight">Get the GstMessageType of message. <a href="#a56ac3c85e67889669ce416a6026e8030">More...</a><br /></td></tr>
<tr class="separator:a56ac3c85e67889669ce416a6026e8030"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acbefe2a6c8924456d17db5880c36b9d3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#acbefe2a6c8924456d17db5880c36b9d3">get_timestamp</a> () const</td></tr>
<tr class="memdesc:acbefe2a6c8924456d17db5880c36b9d3"><td class="mdescLeft"> </td><td class="mdescRight">Get the timestamp of message. <a href="#acbefe2a6c8924456d17db5880c36b9d3">More...</a><br /></td></tr>
<tr class="separator:acbefe2a6c8924456d17db5880c36b9d3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a89fd6db00c77256bf63e4c066af2313e"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a89fd6db00c77256bf63e4c066af2313e">get_source</a> ()</td></tr>
<tr class="memdesc:a89fd6db00c77256bf63e4c066af2313e"><td class="mdescLeft"> </td><td class="mdescRight">Get the object that posted the message. <a href="#a89fd6db00c77256bf63e4c066af2313e">More...</a><br /></td></tr>
<tr class="separator:a89fd6db00c77256bf63e4c066af2313e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a335af95da5709caaf1376cc4dfb7c7ae"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< const <a class="el" href="classGst_1_1Object.html">Gst::Object</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a335af95da5709caaf1376cc4dfb7c7ae">get_source</a> () const</td></tr>
<tr class="separator:a335af95da5709caaf1376cc4dfb7c7ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a480f1e5a63c61e2f03d7d3a3c21185e9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a480f1e5a63c61e2f03d7d3a3c21185e9">has_name</a> (const Glib::ustring& name) const</td></tr>
<tr class="memdesc:a480f1e5a63c61e2f03d7d3a3c21185e9"><td class="mdescLeft"> </td><td class="mdescRight">Checks if <em>message</em> has the given <em>name</em>. <a href="#a480f1e5a63c61e2f03d7d3a3c21185e9">More...</a><br /></td></tr>
<tr class="separator:a480f1e5a63c61e2f03d7d3a3c21185e9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classGst_1_1MiniObject"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classGst_1_1MiniObject')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a></td></tr>
<tr class="memitem:a464d71a821944237d053b9494782e128 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a464d71a821944237d053b9494782e128">reference</a> () const</td></tr>
<tr class="memdesc:a464d71a821944237d053b9494782e128 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Increment the reference count for this object. <a href="classGst_1_1MiniObject.html#a464d71a821944237d053b9494782e128">More...</a><br /></td></tr>
<tr class="separator:a464d71a821944237d053b9494782e128 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1946d3fbaf972906211c47eb7cffd11d inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a1946d3fbaf972906211c47eb7cffd11d">unreference</a> () const</td></tr>
<tr class="memdesc:a1946d3fbaf972906211c47eb7cffd11d inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the reference count for this object. <a href="classGst_1_1MiniObject.html#a1946d3fbaf972906211c47eb7cffd11d">More...</a><br /></td></tr>
<tr class="separator:a1946d3fbaf972906211c47eb7cffd11d inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae94fda9a1f137629b5e2e827bea75b08 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">GstMiniObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#ae94fda9a1f137629b5e2e827bea75b08">gobj</a> ()</td></tr>
<tr class="memdesc:ae94fda9a1f137629b5e2e827bea75b08 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="classGst_1_1MiniObject.html#ae94fda9a1f137629b5e2e827bea75b08">More...</a><br /></td></tr>
<tr class="separator:ae94fda9a1f137629b5e2e827bea75b08 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a17493d7c362acbbe26c2c201f3d9ee84 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">const GstMiniObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a17493d7c362acbbe26c2c201f3d9ee84">gobj</a> () const</td></tr>
<tr class="memdesc:a17493d7c362acbbe26c2c201f3d9ee84 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="classGst_1_1MiniObject.html#a17493d7c362acbbe26c2c201f3d9ee84">More...</a><br /></td></tr>
<tr class="separator:a17493d7c362acbbe26c2c201f3d9ee84 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af923b7ca703939fce2210fa40ac78b16 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">GstMiniObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#af923b7ca703939fce2210fa40ac78b16">gobj_copy</a> () const</td></tr>
<tr class="memdesc:af923b7ca703939fce2210fa40ac78b16 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. <a href="classGst_1_1MiniObject.html#af923b7ca703939fce2210fa40ac78b16">More...</a><br /></td></tr>
<tr class="separator:af923b7ca703939fce2210fa40ac78b16 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b87e56eeae583af8e16b2892fbcf4ce inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a1b87e56eeae583af8e16b2892fbcf4ce">MiniObject</a> ()=delete</td></tr>
<tr class="separator:a1b87e56eeae583af8e16b2892fbcf4ce inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a15ae36653947b4e3a3d60a008fc71c7b inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a15ae36653947b4e3a3d60a008fc71c7b">MiniObject</a> (const <a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>&)=delete</td></tr>
<tr class="separator:a15ae36653947b4e3a3d60a008fc71c7b inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a217d2040d40f2f9586f1c0cbbf324ddb inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a217d2040d40f2f9586f1c0cbbf324ddb">operator=</a> (const <a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>&)=delete</td></tr>
<tr class="separator:a217d2040d40f2f9586f1c0cbbf324ddb inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae90229dda07195e7b0a10a69f08cee53 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#ae90229dda07195e7b0a10a69f08cee53">~MiniObject</a> ()</td></tr>
<tr class="separator:ae90229dda07195e7b0a10a69f08cee53 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aea7d25b9d49ef944bc94bfe4a190885b inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">guint </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#aea7d25b9d49ef944bc94bfe4a190885b">get_flags</a> () const</td></tr>
<tr class="separator:aea7d25b9d49ef944bc94bfe4a190885b inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0c291f0989acbe9083755aeaa995ea1 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#ae0c291f0989acbe9083755aeaa995ea1">set_flags</a> (const guint& value)</td></tr>
<tr class="separator:ae0c291f0989acbe9083755aeaa995ea1 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0064361def478a0d642d66a095f45c0 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">gint </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#aa0064361def478a0d642d66a095f45c0">get_refcount</a> () const</td></tr>
<tr class="separator:aa0064361def478a0d642d66a095f45c0 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afae66f78abe7c10b8f885368ebb7c319 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">gint </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#afae66f78abe7c10b8f885368ebb7c319">get_lockstate</a> () const</td></tr>
<tr class="separator:afae66f78abe7c10b8f885368ebb7c319 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aad5ba3f0085198bcca37d8e57f0d3c4d inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#aad5ba3f0085198bcca37d8e57f0d3c4d">lock</a> (<a class="el" href="group__gstreamermmEnums.html#ga2b9102a456ce11974b6b9f8547a38861">LockFlags</a> flags)</td></tr>
<tr class="memdesc:aad5ba3f0085198bcca37d8e57f0d3c4d inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Lock the mini-object with the specified access mode in <em>flags</em>. <a href="classGst_1_1MiniObject.html#aad5ba3f0085198bcca37d8e57f0d3c4d">More...</a><br /></td></tr>
<tr class="separator:aad5ba3f0085198bcca37d8e57f0d3c4d inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afbdf917368edf5ea0ee8cac6482d74b5 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#afbdf917368edf5ea0ee8cac6482d74b5">unlock</a> (<a class="el" href="group__gstreamermmEnums.html#ga2b9102a456ce11974b6b9f8547a38861">LockFlags</a> flags)</td></tr>
<tr class="memdesc:afbdf917368edf5ea0ee8cac6482d74b5 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Unlock the mini-object with the specified access mode in <em>flags</em>. <a href="classGst_1_1MiniObject.html#afbdf917368edf5ea0ee8cac6482d74b5">More...</a><br /></td></tr>
<tr class="separator:afbdf917368edf5ea0ee8cac6482d74b5 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acaed2eddf2838dfbb544d65b37fdf6e0 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#acaed2eddf2838dfbb544d65b37fdf6e0">is_writable</a> () const</td></tr>
<tr class="memdesc:acaed2eddf2838dfbb544d65b37fdf6e0 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">If <em>mini_object</em> has the LOCKABLE flag set, check if the current EXCLUSIVE lock on <em>object</em> is the only one, this means that changes to the object will not be visible to any other object. <a href="classGst_1_1MiniObject.html#acaed2eddf2838dfbb544d65b37fdf6e0">More...</a><br /></td></tr>
<tr class="separator:acaed2eddf2838dfbb544d65b37fdf6e0 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaa082ae18e7f378f59156da600d0f9c5 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1MiniObject.html">MiniObject</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#aaa082ae18e7f378f59156da600d0f9c5">create_writable</a> ()</td></tr>
<tr class="memdesc:aaa082ae18e7f378f59156da600d0f9c5 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Checks if a mini-object is writable. <a href="classGst_1_1MiniObject.html#aaa082ae18e7f378f59156da600d0f9c5">More...</a><br /></td></tr>
<tr class="separator:aaa082ae18e7f378f59156da600d0f9c5 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a791442ba75dad37af2354d0d72e83229 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a791442ba75dad37af2354d0d72e83229">set_qdata</a> (GQuark quark, <a class="el" href="classGst_1_1QuarkData.html">QuarkData</a>* data)</td></tr>
<tr class="memdesc:a791442ba75dad37af2354d0d72e83229 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">This sets an opaque, named pointer on a miniobject. <a href="classGst_1_1MiniObject.html#a791442ba75dad37af2354d0d72e83229">More...</a><br /></td></tr>
<tr class="separator:a791442ba75dad37af2354d0d72e83229 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada6175a263b84c230b256e96b5cb7088 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1QuarkData.html">QuarkData</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#ada6175a263b84c230b256e96b5cb7088">get_qdata</a> (GQuark quark) const</td></tr>
<tr class="memdesc:ada6175a263b84c230b256e96b5cb7088 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">This function gets back user data pointers stored via <a class="el" href="classGst_1_1MiniObject.html#a791442ba75dad37af2354d0d72e83229" title="This sets an opaque, named pointer on a miniobject. ">set_qdata()</a>. <a href="classGst_1_1MiniObject.html#ada6175a263b84c230b256e96b5cb7088">More...</a><br /></td></tr>
<tr class="separator:ada6175a263b84c230b256e96b5cb7088 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adc97e339061f89323ca099a6889b74bf inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1QuarkData.html">QuarkData</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#adc97e339061f89323ca099a6889b74bf">steal_qdata</a> (GQuark quark)</td></tr>
<tr class="memdesc:adc97e339061f89323ca099a6889b74bf inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">This function gets back user data pointers stored via <a class="el" href="classGst_1_1MiniObject.html#a791442ba75dad37af2354d0d72e83229" title="This sets an opaque, named pointer on a miniobject. ">set_qdata()</a> and removes the data from <em>object</em> without invoking its destroy() function (if any was set). <a href="classGst_1_1MiniObject.html#adc97e339061f89323ca099a6889b74bf">More...</a><br /></td></tr>
<tr class="separator:adc97e339061f89323ca099a6889b74bf inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a09152ec3b8558cbea3bbd2faed65037e inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a09152ec3b8558cbea3bbd2faed65037e">add_finalize_notifier</a> (const <a class="el" href="classGst_1_1MiniObject.html#aaf54e796d4c1d985d9e9f36c27aaac0a">SlotFinalizer</a>& slot)</td></tr>
<tr class="memdesc:a09152ec3b8558cbea3bbd2faed65037e inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Adds notifier when mini object is finalized. <a href="classGst_1_1MiniObject.html#a09152ec3b8558cbea3bbd2faed65037e">More...</a><br /></td></tr>
<tr class="separator:a09152ec3b8558cbea3bbd2faed65037e inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6742cd5c88ae7aa9cb439060557cd770 inherit pub_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a6742cd5c88ae7aa9cb439060557cd770">remove_finalize_notifier</a> ()</td></tr>
<tr class="memdesc:a6742cd5c88ae7aa9cb439060557cd770 inherit pub_methods_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">Remove finalize notifier. <a href="classGst_1_1MiniObject.html#a6742cd5c88ae7aa9cb439060557cd770">More...</a><br /></td></tr>
<tr class="separator:a6742cd5c88ae7aa9cb439060557cd770 inherit pub_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a489240a36ee59f33a60cf262063ffc08"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a489240a36ee59f33a60cf262063ffc08">operator delete</a> (void*, std::size_t)</td></tr>
<tr class="separator:a489240a36ee59f33a60cf262063ffc08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pro_methods_classGst_1_1MiniObject"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classGst_1_1MiniObject')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a></td></tr>
<tr class="memitem:ae5e12067f87b9ac8f27c6267ebe15259 inherit pro_methods_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#ae5e12067f87b9ac8f27c6267ebe15259">operator delete</a> (void*, std::size_t)</td></tr>
<tr class="separator:ae5e12067f87b9ac8f27c6267ebe15259 inherit pro_methods_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="related"></a>
Related Functions</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
</td></tr>
<tr class="memitem:a1163c59222c7736771783bdb2fb02693"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1Message.html">Gst::Message</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Message.html#a1163c59222c7736771783bdb2fb02693">wrap</a> (GstMessage* object, bool take_copy=false)</td></tr>
<tr class="memdesc:a1163c59222c7736771783bdb2fb02693"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="namespaceGlib.html#a43fcab2a44083e8b7b6a1c8193acae2b">Glib::wrap()</a> method for this object. <a href="#a1163c59222c7736771783bdb2fb02693">More...</a><br /></td></tr>
<tr class="separator:a1163c59222c7736771783bdb2fb02693"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header related_classGst_1_1MiniObject"><td colspan="2" onclick="javascript:toggleInherit('related_classGst_1_1MiniObject')"><img src="closed.png" alt="-"/> Related Functions inherited from <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a></td></tr>
<tr class="memitem:a8498c52b750a4114b6d97d5d79842a14 inherit related_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">Glib::RefPtr< <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#a8498c52b750a4114b6d97d5d79842a14">wrap</a> (GstMiniObject* object, bool take_copy=false)</td></tr>
<tr class="memdesc:a8498c52b750a4114b6d97d5d79842a14 inherit related_classGst_1_1MiniObject"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="namespaceGlib.html#a43fcab2a44083e8b7b6a1c8193acae2b">Glib::wrap()</a> method for this object. <a href="classGst_1_1MiniObject.html#a8498c52b750a4114b6d97d5d79842a14">More...</a><br /></td></tr>
<tr class="separator:a8498c52b750a4114b6d97d5d79842a14 inherit related_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classGst_1_1MiniObject"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classGst_1_1MiniObject')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a></td></tr>
<tr class="memitem:aaf54e796d4c1d985d9e9f36c27aaac0a inherit pub_types_classGst_1_1MiniObject"><td class="memItemLeft" align="right" valign="top">typedef sigc::slot< void > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1MiniObject.html#aaf54e796d4c1d985d9e9f36c27aaac0a">SlotFinalizer</a></td></tr>
<tr class="separator:aaf54e796d4c1d985d9e9f36c27aaac0a inherit pub_types_classGst_1_1MiniObject"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A class that represents lightweight objects to signal the application of pipeline events. </p>
<p>Messages are implemented as a subclass of <a class="el" href="classGst_1_1MiniObject.html" title="This is a base class for some gstreamermm objects. ">Gst::MiniObject</a> with a generic <a class="el" href="classGst_1_1Structure.html" title="Generic class containing fields of names and values. ">Gst::Structure</a> as the content. This allows for writing custom messages without requiring an API change while allowing a wide range of different types of messages.</p>
<p>Messages are posted by objects in the pipeline and are passed to the application using the <a class="el" href="classGst_1_1Bus.html" title="A class that encompasses the GStreamer asynchronous message bus subsystem. ">Gst::Bus</a>.</p>
<p>The basic use pattern of posting a message on a <a class="el" href="classGst_1_1Bus.html" title="A class that encompasses the GStreamer asynchronous message bus subsystem. ">Gst::Bus</a> is as follows: </p><div class="fragment"><div class="line">bus->post(<a class="code" href="classGst_1_1MessageEos.html#add199609fc3b85598d82364021a9911d">Gst::MessageEos::create</a>(my_element));</div></div><!-- fragment --><p>Last reviewed on 2016-06-06 (1.8.0) </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a56d79e13d30772238429e2359607a225"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a56d79e13d30772238429e2359607a225">◆ </a></span>Message() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">Gst::Message::Message </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">delete</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="af5331ae29329d3231b3c42e8f29d0682"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af5331ae29329d3231b3c42e8f29d0682">◆ </a></span>Message() <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">Gst::Message::Message </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGst_1_1Message.html">Message</a>& </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">delete</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a79f4b86503197f81ac286d8ef43271f8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a79f4b86503197f81ac286d8ef43271f8">◆ </a></span>copy()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">Glib::RefPtr<<a class="el" href="classGst_1_1Message.html">Gst::Message</a>> Gst::Message::copy </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Creates a copy of the message. </p>
<p>Returns a copy of the message.</p>
<dl class="section return"><dt>Returns</dt><dd>A new copy of <em>msg</em>.</dd></dl>
<p>MT safe. </p>
</div>
</div>
<a id="ad46991a9d4c733c7b78bd29f2b23e861"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad46991a9d4c733c7b78bd29f2b23e861">◆ </a></span>create_writable()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">Glib::RefPtr<<a class="el" href="classGst_1_1Message.html">Gst::Message</a>> Gst::Message::create_writable </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Checks if a message is writable. </p>
<p>If not, a writable copy is made and returned. </p><dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classGst_1_1Message.html" title="A class that represents lightweight objects to signal the application of pipeline events...">Gst::Message</a> (possibly the same pointer) that is writable. </dd></dl>
</div>
</div>
<a id="a56ac3c85e67889669ce416a6026e8030"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a56ac3c85e67889669ce416a6026e8030">◆ </a></span>get_message_type()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__gstreamermmEnums.html#ga704e8de3c3f9698d3c3ca15d61190a86">MessageType</a> Gst::Message::get_message_type </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the GstMessageType of message. </p>
</div>
</div>
<a id="a098b2a7a73657f86f22807d8108e3641"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a098b2a7a73657f86f22807d8108e3641">◆ </a></span>get_seqnum()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">guint32 Gst::Message::get_seqnum </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Retrieve the sequence number of a message. </p>
<p>Messages have ever-incrementing sequence numbers, which may also be set explicitly via gst_message_set_seqnum(). Sequence numbers are typically used to indicate that a message corresponds to some other set of messages or events, for example a SEGMENT_DONE message corresponding to a SEEK event. It is considered good practice to make this correspondence when possible, though it is not required.</p>
<p>Note that events and messages share the same sequence number incrementor; two events or messages will never have the same sequence number unless that correspondence was made explicitly.</p>
<dl class="section return"><dt>Returns</dt><dd>The message's sequence number.</dd></dl>
<p>MT safe. </p>
</div>
</div>
<a id="a89fd6db00c77256bf63e4c066af2313e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a89fd6db00c77256bf63e4c066af2313e">◆ </a></span>get_source() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">Glib::RefPtr<<a class="el" href="classGst_1_1Object.html">Gst::Object</a>> Gst::Message::get_source </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the object that posted the message. </p>
</div>
</div>
<a id="a335af95da5709caaf1376cc4dfb7c7ae"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a335af95da5709caaf1376cc4dfb7c7ae">◆ </a></span>get_source() <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">Glib::RefPtr<const <a class="el" href="classGst_1_1Object.html">Gst::Object</a>> Gst::Message::get_source </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a2dc80e40445e1b7c26878fd1c28f5cd2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2dc80e40445e1b7c26878fd1c28f5cd2">◆ </a></span>get_structure()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classGst_1_1Structure.html">Gst::Structure</a> Gst::Message::get_structure </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Access the structure of the message. </p>
<dl class="section return"><dt>Returns</dt><dd>The structure of the message. The structure is still owned by the message, which means that you should not free it and that the pointer becomes invalid when you free the message.</dd></dl>
<p>MT safe. </p>
</div>
</div>
<a id="acbefe2a6c8924456d17db5880c36b9d3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acbefe2a6c8924456d17db5880c36b9d3">◆ </a></span>get_timestamp()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> Gst::Message::get_timestamp </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the timestamp of message. </p>
<p>This is the timestamp when the message was created. </p>
</div>
</div>
<a id="a8248f9cc16be7563206c51537509c17c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8248f9cc16be7563206c51537509c17c">◆ </a></span>gobj() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">GstMessage* Gst::Message::gobj </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Provides access to the underlying C instance. </p>
</div>
</div>
<a id="af3fe9955e98cca87b33fd5b81c99c94d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af3fe9955e98cca87b33fd5b81c99c94d">◆ </a></span>gobj() <span class="overload">[2/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const GstMessage* Gst::Message::gobj </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Provides access to the underlying C instance. </p>
</div>
</div>
<a id="a592bb202c83f0ecf9fd61f5470f406bf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a592bb202c83f0ecf9fd61f5470f406bf">◆ </a></span>gobj_copy()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">GstMessage* Gst::Message::gobj_copy </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. </p>
</div>
</div>
<a id="a480f1e5a63c61e2f03d7d3a3c21185e9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a480f1e5a63c61e2f03d7d3a3c21185e9">◆ </a></span>has_name()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool Gst::Message::has_name </td>
<td>(</td>
<td class="paramtype">const Glib::ustring & </td>
<td class="paramname"><em>name</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Checks if <em>message</em> has the given <em>name</em>. </p>
<p>This function is usually used to check the name of a custom message.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>Name to check. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if <em>name</em> matches the name of the message structure. </dd></dl>
</div>
</div>
<a id="a489240a36ee59f33a60cf262063ffc08"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a489240a36ee59f33a60cf262063ffc08">◆ </a></span>operator delete()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void Gst::Message::operator delete </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::size_t </td>
<td class="paramname"> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a8e6fcde0a19ccac0e92bb9d078f082bf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8e6fcde0a19ccac0e92bb9d078f082bf">◆ </a></span>operator=()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classGst_1_1Message.html">Message</a>& Gst::Message::operator= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGst_1_1Message.html">Message</a>& </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">delete</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a2099a4607a2a0a99b505cf93ae98b119"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2099a4607a2a0a99b505cf93ae98b119">◆ </a></span>reference()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void Gst::Message::reference </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Increment the reference count for this object. </p>
<p>You should never need to do this manually - use the object via a RefPtr instead. </p>
</div>
</div>
<a id="a1b4c39f3df4d60a7479a04c4eac4f655"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1b4c39f3df4d60a7479a04c4eac4f655">◆ </a></span>set_seqnum()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void Gst::Message::set_seqnum </td>
<td>(</td>
<td class="paramtype">guint32 </td>
<td class="paramname"><em>seqnum</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the sequence number of a message. </p>
<p>This function might be called by the creator of a message to indicate that the message relates to other messages or events. See gst_message_get_seqnum() for more information.</p>
<p>MT safe.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">seqnum</td><td>A sequence number. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a5004567f1a590766f568b49969704d82"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5004567f1a590766f568b49969704d82">◆ </a></span>unreference()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void Gst::Message::unreference </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Decrement the reference count for this object. </p>
<p>You should never need to do this manually - use the object via a RefPtr instead. </p>
</div>
</div>
<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="a1163c59222c7736771783bdb2fb02693"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1163c59222c7736771783bdb2fb02693">◆ </a></span>wrap()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">Glib::RefPtr< <a class="el" href="classGst_1_1Message.html">Gst::Message</a> > wrap </td>
<td>(</td>
<td class="paramtype">GstMessage * </td>
<td class="paramname"><em>object</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>take_copy</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">related</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>A <a class="el" href="namespaceGlib.html#a43fcab2a44083e8b7b6a1c8193acae2b">Glib::wrap()</a> method for this object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>The C instance. </td></tr>
<tr><td class="paramname">take_copy</td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A C++ instance that wraps this C instance. </dd></dl>
</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sat Oct 21 2017 12:59:01 for gstreamermm by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.13
</small></address>
</body>
</html>
