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<div id="projectname">gstreamermm
 <span id="projectnumber">1.10.0</span>
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<li class="navelem"><a class="el" href="namespaceGst.html">Gst</a></li><li class="navelem"><a class="el" href="classGst_1_1MiniObject.html">MiniObject</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Gst::MiniObject Class Reference</div> </div>
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<p>This is a base class for some gstreamermm objects.
<a href="classGst_1_1MiniObject.html#details">More...</a></p>
<p><code>#include <gstreamermm/miniobject.h></code></p>
<div class="dynheader">
Inheritance diagram for Gst::MiniObject:</div>
<div class="dyncontent">
<div class="center"><img src="classGst_1_1MiniObject__inherit__graph.png" border="0" usemap="#Gst_1_1MiniObject_inherit__map" alt="Inheritance graph"/></div>
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</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-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aaf54e796d4c1d985d9e9f36c27aaac0a"><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"><td class="memSeparator" colspan="2"> </td></tr>
</table><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:a464d71a821944237d053b9494782e128"><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"><td class="mdescLeft"> </td><td class="mdescRight">Increment the reference count for this object. <a href="#a464d71a821944237d053b9494782e128">More...</a><br /></td></tr>
<tr class="separator:a464d71a821944237d053b9494782e128"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1946d3fbaf972906211c47eb7cffd11d"><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"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the reference count for this object. <a href="#a1946d3fbaf972906211c47eb7cffd11d">More...</a><br /></td></tr>
<tr class="separator:a1946d3fbaf972906211c47eb7cffd11d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae94fda9a1f137629b5e2e827bea75b08"><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"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#ae94fda9a1f137629b5e2e827bea75b08">More...</a><br /></td></tr>
<tr class="separator:ae94fda9a1f137629b5e2e827bea75b08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a17493d7c362acbbe26c2c201f3d9ee84"><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"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#a17493d7c362acbbe26c2c201f3d9ee84">More...</a><br /></td></tr>
<tr class="separator:a17493d7c362acbbe26c2c201f3d9ee84"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af923b7ca703939fce2210fa40ac78b16"><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"><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="#af923b7ca703939fce2210fa40ac78b16">More...</a><br /></td></tr>
<tr class="separator:af923b7ca703939fce2210fa40ac78b16"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b87e56eeae583af8e16b2892fbcf4ce"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a15ae36653947b4e3a3d60a008fc71c7b"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a217d2040d40f2f9586f1c0cbbf324ddb"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae90229dda07195e7b0a10a69f08cee53"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aea7d25b9d49ef944bc94bfe4a190885b"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0c291f0989acbe9083755aeaa995ea1"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0064361def478a0d642d66a095f45c0"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afae66f78abe7c10b8f885368ebb7c319"><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"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aad5ba3f0085198bcca37d8e57f0d3c4d"><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"><td class="mdescLeft"> </td><td class="mdescRight">Lock the mini-object with the specified access mode in <em>flags</em>. <a href="#aad5ba3f0085198bcca37d8e57f0d3c4d">More...</a><br /></td></tr>
<tr class="separator:aad5ba3f0085198bcca37d8e57f0d3c4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afbdf917368edf5ea0ee8cac6482d74b5"><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"><td class="mdescLeft"> </td><td class="mdescRight">Unlock the mini-object with the specified access mode in <em>flags</em>. <a href="#afbdf917368edf5ea0ee8cac6482d74b5">More...</a><br /></td></tr>
<tr class="separator:afbdf917368edf5ea0ee8cac6482d74b5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acaed2eddf2838dfbb544d65b37fdf6e0"><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"><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="#acaed2eddf2838dfbb544d65b37fdf6e0">More...</a><br /></td></tr>
<tr class="separator:acaed2eddf2838dfbb544d65b37fdf6e0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaa082ae18e7f378f59156da600d0f9c5"><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"><td class="mdescLeft"> </td><td class="mdescRight">Checks if a mini-object is writable. <a href="#aaa082ae18e7f378f59156da600d0f9c5">More...</a><br /></td></tr>
<tr class="separator:aaa082ae18e7f378f59156da600d0f9c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a791442ba75dad37af2354d0d72e83229"><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"><td class="mdescLeft"> </td><td class="mdescRight">This sets an opaque, named pointer on a miniobject. <a href="#a791442ba75dad37af2354d0d72e83229">More...</a><br /></td></tr>
<tr class="separator:a791442ba75dad37af2354d0d72e83229"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada6175a263b84c230b256e96b5cb7088"><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"><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="#ada6175a263b84c230b256e96b5cb7088">More...</a><br /></td></tr>
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<tr class="memitem:adc97e339061f89323ca099a6889b74bf"><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"><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="#adc97e339061f89323ca099a6889b74bf">More...</a><br /></td></tr>
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<tr class="memitem:a09152ec3b8558cbea3bbd2faed65037e"><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"><td class="mdescLeft"> </td><td class="mdescRight">Adds notifier when mini object is finalized. <a href="#a09152ec3b8558cbea3bbd2faed65037e">More...</a><br /></td></tr>
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<tr class="memitem:a6742cd5c88ae7aa9cb439060557cd770"><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"><td class="mdescLeft"> </td><td class="mdescRight">Remove finalize notifier. <a href="#a6742cd5c88ae7aa9cb439060557cd770">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:ae5e12067f87b9ac8f27c6267ebe15259"><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>
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Related Functions</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
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<tr class="memitem:a8498c52b750a4114b6d97d5d79842a14"><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"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="namespaceGlib.html#a43fcab2a44083e8b7b6a1c8193acae2b">Glib::wrap()</a> method for this object. <a href="#a8498c52b750a4114b6d97d5d79842a14">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This is a base class for some gstreamermm objects. </p>
<p>It is similar to Glib::Object but has no GObject property or signal support. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aaf54e796d4c1d985d9e9f36c27aaac0a">◆ </a></span>SlotFinalizer</h2>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b87e56eeae583af8e16b2892fbcf4ce">◆ </a></span>MiniObject() <span class="overload">[1/2]</span></h2>
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<span class="mlabels"><span class="mlabel">delete</span></span> </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a15ae36653947b4e3a3d60a008fc71c7b">◆ </a></span>MiniObject() <span class="overload">[2/2]</span></h2>
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<td class="memname">Gst::MiniObject::MiniObject </td>
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<td class="paramtype">const <a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>& </td>
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<span class="mlabels"><span class="mlabel">delete</span></span> </td>
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<h2 class="memtitle"><span class="permalink"><a href="#ae90229dda07195e7b0a10a69f08cee53">◆ </a></span>~MiniObject()</h2>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a09152ec3b8558cbea3bbd2faed65037e">◆ </a></span>add_finalize_notifier()</h2>
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<td class="memname">void Gst::MiniObject::add_finalize_notifier </td>
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<p>Adds notifier when mini object is finalized. </p>
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<tr><td class="paramname">slot</td><td>notifier. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#aaa082ae18e7f378f59156da600d0f9c5">◆ </a></span>create_writable()</h2>
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<td class="memname">Glib::RefPtr<<a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>> Gst::MiniObject::create_writable </td>
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<p>Checks if a mini-object is writable. </p>
<p>If not, a writable copy is made and returned. This gives away the reference to the original mini object, and returns a reference to the new object.</p>
<p>MT safe </p><dl class="section return"><dt>Returns</dt><dd>A mini-object (possibly the same pointer) that is writable. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aea7d25b9d49ef944bc94bfe4a190885b">◆ </a></span>get_flags()</h2>
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<td class="memname">guint Gst::MiniObject::get_flags </td>
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<td class="memname">gint Gst::MiniObject::get_lockstate </td>
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<h2 class="memtitle"><span class="permalink"><a href="#ada6175a263b84c230b256e96b5cb7088">◆ </a></span>get_qdata()</h2>
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<td class="memname"><a class="el" href="classGst_1_1QuarkData.html">QuarkData</a>* Gst::MiniObject::get_qdata </td>
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<p>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>. </p>
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<dl class="section return"><dt>Returns</dt><dd>the user data pointer set, or NULL. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa0064361def478a0d642d66a095f45c0">◆ </a></span>get_refcount()</h2>
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<td class="memname">gint Gst::MiniObject::get_refcount </td>
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<h2 class="memtitle"><span class="permalink"><a href="#ae94fda9a1f137629b5e2e827bea75b08">◆ </a></span>gobj() <span class="overload">[1/2]</span></h2>
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<p>Provides access to the underlying C instance. </p>
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<p>Provides access to the underlying C instance. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af923b7ca703939fce2210fa40ac78b16">◆ </a></span>gobj_copy()</h2>
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<p>Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acaed2eddf2838dfbb544d65b37fdf6e0">◆ </a></span>is_writable()</h2>
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<p>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. </p>
<p>If the LOCKABLE flag is not set, check if the refcount of <em>mini_object</em> is exactly 1, meaning that no other reference exists to the object and that the object is therefore writable.</p>
<p>Modification of a mini-object should only be done after verifying that it is writable.</p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the object is writable. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aad5ba3f0085198bcca37d8e57f0d3c4d">◆ </a></span>lock()</h2>
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<p>Lock the mini-object with the specified access mode in <em>flags</em>. </p>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if <em>object</em> could be locked. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae5e12067f87b9ac8f27c6267ebe15259">◆ </a></span>operator delete()</h2>
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<td class="memname"><a class="el" href="classGst_1_1MiniObject.html">MiniObject</a>& Gst::MiniObject::operator= </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a464d71a821944237d053b9494782e128">◆ </a></span>reference()</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a6742cd5c88ae7aa9cb439060557cd770">◆ </a></span>remove_finalize_notifier()</h2>
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<p>Remove finalize notifier. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae0c291f0989acbe9083755aeaa995ea1">◆ </a></span>set_flags()</h2>
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<td class="memname">void Gst::MiniObject::set_qdata </td>
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<p>This sets an opaque, named pointer on a miniobject. </p>
<p>The name is specified through a #GQuark (retrived e.g. via g_quark_from_static_string()), and the pointer can be gotten back with <a class="el" href="classGst_1_1MiniObject.html#ada6175a263b84c230b256e96b5cb7088" title="This function gets back user data pointers stored via set_qdata(). ">get_qdata()</a>. Setting a previously set user data pointer, overrides (frees) the old pointer set, using NULL as pointer essentially removes the data stored. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">quark</td><td>a GQuark, naming the user data pointer. </td></tr>
<tr><td class="paramname">data</td><td>an opaque user data pointer. </td></tr>
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</dd>
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<h2 class="memtitle"><span class="permalink"><a href="#adc97e339061f89323ca099a6889b74bf">◆ </a></span>steal_qdata()</h2>
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<td class="memname"><a class="el" href="classGst_1_1QuarkData.html">QuarkData</a>* Gst::MiniObject::steal_qdata </td>
<td>(</td>
<td class="paramtype">GQuark </td>
<td class="paramname"><em>quark</em></td><td>)</td>
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<p>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). </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">quark</td><td>A Quark, naming the user data pointer. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The user data pointer set, or <code>nullptr</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#afbdf917368edf5ea0ee8cac6482d74b5">◆ </a></span>unlock()</h2>
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<td class="memname">void Gst::MiniObject::unlock </td>
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<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga2b9102a456ce11974b6b9f8547a38861">LockFlags</a> </td>
<td class="paramname"><em>flags</em></td><td>)</td>
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<p>Unlock the mini-object with the specified access mode in <em>flags</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">flags</td><td><a class="el" href="group__gstreamermmEnums.html#ga2b9102a456ce11974b6b9f8547a38861" title="Flags used when locking miniobjects. ">Gst::LockFlags</a>. </td></tr>
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<a id="a1946d3fbaf972906211c47eb7cffd11d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1946d3fbaf972906211c47eb7cffd11d">◆ </a></span>unreference()</h2>
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<td class="memname">void Gst::MiniObject::unreference </td>
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<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>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8498c52b750a4114b6d97d5d79842a14">◆ </a></span>wrap()</h2>
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<td class="memname">Glib::RefPtr< <a class="el" href="classGst_1_1MiniObject.html">Gst::MiniObject</a> > wrap </td>
<td>(</td>
<td class="paramtype">GstMiniObject * </td>
<td class="paramname"><em>object</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>take_copy</em> = <code>false</code> </td>
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<td></td>
<td>)</td>
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<span class="mlabels"><span class="mlabel">related</span></span> </td>
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<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>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A C++ instance that wraps this C instance. </dd></dl>
</div>
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