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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_1Object.html">Object</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-static-methods">Static Public Member Functions</a> |
<a href="#pro-methods">Protected Member Functions</a> |
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<div class="title">Gst::Object Class Reference<div class="ingroups"><a class="el" href="group__GstBaseClasses.html">gstreamermm Base Classes</a></div></div> </div>
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<p>A base class for the GStreamer object hierarchy.
<a href="classGst_1_1Object.html#details">More...</a></p>
<p><code>#include <gstreamermm/object.h></code></p>
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Inheritance diagram for Gst::Object:</div>
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<div class="center"><img src="classGst_1_1Object__inherit__graph.png" border="0" usemap="#Gst_1_1Object_inherit__map" alt="Inheritance graph"/></div>
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<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:a81151161e4abf313e76ab35fa73d1293"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a81151161e4abf313e76ab35fa73d1293">Object</a> (<a class="el" href="classGst_1_1Object.html">Object</a>&& src) noexcept</td></tr>
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<tr class="memitem:af3b8964b21574cae10f31d80061c7e40"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1Object.html">Object</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#af3b8964b21574cae10f31d80061c7e40">operator=</a> (<a class="el" href="classGst_1_1Object.html">Object</a>&& src) noexcept</td></tr>
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<tr class="memitem:ad4ecd638aea2e21916e2e21429eef97a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#ad4ecd638aea2e21916e2e21429eef97a">~Object</a> () noexcept override</td></tr>
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<tr class="memitem:a3d889e949c76aa3ab4490026d6aca8ca"><td class="memItemLeft" align="right" valign="top">GstObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a3d889e949c76aa3ab4490026d6aca8ca">gobj</a> ()</td></tr>
<tr class="memdesc:a3d889e949c76aa3ab4490026d6aca8ca"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#a3d889e949c76aa3ab4490026d6aca8ca">More...</a><br /></td></tr>
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<tr class="memitem:ad6a4514f948551dcc2e45b3636b490fe"><td class="memItemLeft" align="right" valign="top">const GstObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#ad6a4514f948551dcc2e45b3636b490fe">gobj</a> () const</td></tr>
<tr class="memdesc:ad6a4514f948551dcc2e45b3636b490fe"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#ad6a4514f948551dcc2e45b3636b490fe">More...</a><br /></td></tr>
<tr class="separator:ad6a4514f948551dcc2e45b3636b490fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a63d7202d3eb47c81ffc3ac16a895e9d1"><td class="memItemLeft" align="right" valign="top">GstObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a63d7202d3eb47c81ffc3ac16a895e9d1">gobj_copy</a> ()</td></tr>
<tr class="memdesc:a63d7202d3eb47c81ffc3ac16a895e9d1"><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="#a63d7202d3eb47c81ffc3ac16a895e9d1">More...</a><br /></td></tr>
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<tr class="memitem:ae96d8781fb1614a5a97e2a6f39e823b3"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#ae96d8781fb1614a5a97e2a6f39e823b3">is_element</a> () const</td></tr>
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<tr class="memitem:a906d1bd351d5f20a38964d6ab9a2c845"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a906d1bd351d5f20a38964d6ab9a2c845">is_element_factory</a> () const</td></tr>
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<tr class="memitem:acb1cbea0f958a71af207f46d8b4ff5fc"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#acb1cbea0f958a71af207f46d8b4ff5fc">is_pad</a> () const</td></tr>
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<tr class="memitem:a8b577e25de7574fa1c0b98db8072bc47"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a8b577e25de7574fa1c0b98db8072bc47">is_pad_template</a> () const</td></tr>
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<tr class="memitem:afc51ab9f7e9c1b002502bcbcb747fa78"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#afc51ab9f7e9c1b002502bcbcb747fa78">is_bin</a> () const</td></tr>
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<tr class="memitem:aac824b4d7a69a1068ed3614c8c0bdd24"><td class="memItemLeft" align="right" valign="top">guint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#aac824b4d7a69a1068ed3614c8c0bdd24">get_flags</a> () const</td></tr>
<tr class="memdesc:aac824b4d7a69a1068ed3614c8c0bdd24"><td class="mdescLeft"> </td><td class="mdescRight">Returns the entire set of flags for the object. <a href="#aac824b4d7a69a1068ed3614c8c0bdd24">More...</a><br /></td></tr>
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<tr class="memitem:a91745b6c35472bc28fde65c770444478"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a91745b6c35472bc28fde65c770444478">set_name</a> (const Glib::ustring& name)</td></tr>
<tr class="memdesc:a91745b6c35472bc28fde65c770444478"><td class="mdescLeft"> </td><td class="mdescRight">Sets the name of <em>object</em>, or gives <em>object</em> a guaranteed unique name (if <em>name</em> is <code>nullptr</code>). <a href="#a91745b6c35472bc28fde65c770444478">More...</a><br /></td></tr>
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<tr class="memitem:ab8a7e72f2bf6539244668d7238d46159"><td class="memItemLeft" align="right" valign="top">Glib::ustring </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#ab8a7e72f2bf6539244668d7238d46159">get_name</a> () const</td></tr>
<tr class="memdesc:ab8a7e72f2bf6539244668d7238d46159"><td class="mdescLeft"> </td><td class="mdescRight">Returns a copy of the name of <em>object</em>. <a href="#ab8a7e72f2bf6539244668d7238d46159">More...</a><br /></td></tr>
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<tr class="memitem:a09a2f2fcfb0fabee2597b34a0b7c3fe4"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a09a2f2fcfb0fabee2597b34a0b7c3fe4">set_parent</a> (const Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& parent)</td></tr>
<tr class="memdesc:a09a2f2fcfb0fabee2597b34a0b7c3fe4"><td class="mdescLeft"> </td><td class="mdescRight">Sets the parent of <em>object</em> to <em>parent</em>. <a href="#a09a2f2fcfb0fabee2597b34a0b7c3fe4">More...</a><br /></td></tr>
<tr class="separator:a09a2f2fcfb0fabee2597b34a0b7c3fe4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a303610665c252f733808e5653703f6a8"><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_1Object.html#a303610665c252f733808e5653703f6a8">get_parent</a> ()</td></tr>
<tr class="memdesc:a303610665c252f733808e5653703f6a8"><td class="mdescLeft"> </td><td class="mdescRight">Returns the parent of <em>object</em>. <a href="#a303610665c252f733808e5653703f6a8">More...</a><br /></td></tr>
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<tr class="memitem:a8f8dc04241bee2beb2e3b8e0887bf240"><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_1Object.html#a8f8dc04241bee2beb2e3b8e0887bf240">get_parent</a> () const</td></tr>
<tr class="memdesc:a8f8dc04241bee2beb2e3b8e0887bf240"><td class="mdescLeft"> </td><td class="mdescRight">Returns the parent of <em>object</em>. <a href="#a8f8dc04241bee2beb2e3b8e0887bf240">More...</a><br /></td></tr>
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<tr class="memitem:a45b87529c337e40f03e34bca450e41bc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a45b87529c337e40f03e34bca450e41bc">unparent</a> ()</td></tr>
<tr class="memdesc:a45b87529c337e40f03e34bca450e41bc"><td class="mdescLeft"> </td><td class="mdescRight">Clear the parent of <em>object</em>, removing the associated reference. <a href="#a45b87529c337e40f03e34bca450e41bc">More...</a><br /></td></tr>
<tr class="separator:a45b87529c337e40f03e34bca450e41bc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a71dd4f21c9c28e44bbb102d4020d6fb9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a71dd4f21c9c28e44bbb102d4020d6fb9">set_control_rate</a> (<a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> control_rate)</td></tr>
<tr class="memdesc:a71dd4f21c9c28e44bbb102d4020d6fb9"><td class="mdescLeft"> </td><td class="mdescRight">Change the control-rate for this <em>object</em>. <a href="#a71dd4f21c9c28e44bbb102d4020d6fb9">More...</a><br /></td></tr>
<tr class="separator:a71dd4f21c9c28e44bbb102d4020d6fb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0f61c7a77c8915f25ea9630e316e64d1"><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_1Object.html#a0f61c7a77c8915f25ea9630e316e64d1">get_control_rate</a> () const</td></tr>
<tr class="memdesc:a0f61c7a77c8915f25ea9630e316e64d1"><td class="mdescLeft"> </td><td class="mdescRight">Obtain the control-rate for this <em>object</em>. <a href="#a0f61c7a77c8915f25ea9630e316e64d1">More...</a><br /></td></tr>
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<tr class="memitem:a6ecaa24f220031816a05cd2f332e5149"><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_1Object.html#a6ecaa24f220031816a05cd2f332e5149">suggest_next_sync</a> () const</td></tr>
<tr class="memdesc:a6ecaa24f220031816a05cd2f332e5149"><td class="mdescLeft"> </td><td class="mdescRight">Returns a suggestion for timestamps where buffers should be split to get best controller results. <a href="#a6ecaa24f220031816a05cd2f332e5149">More...</a><br /></td></tr>
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<tr class="memitem:a1ffd67bd304da65bec7966e0618318fa"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a1ffd67bd304da65bec7966e0618318fa">sync_values</a> (<a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> timestamp)</td></tr>
<tr class="memdesc:a1ffd67bd304da65bec7966e0618318fa"><td class="mdescLeft"> </td><td class="mdescRight">Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and for the given timestamp. <a href="#a1ffd67bd304da65bec7966e0618318fa">More...</a><br /></td></tr>
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<tr class="memitem:a50cf4988393c9a170d196640f4e57384"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a50cf4988393c9a170d196640f4e57384">set_control_bindings_disabled</a> (bool disabled)</td></tr>
<tr class="memdesc:a50cf4988393c9a170d196640f4e57384"><td class="mdescLeft"> </td><td class="mdescRight">This function is used to disable all controlled properties of the <em>object</em> for some time, i.e. <a class="el" href="classGst_1_1Object.html#a1ffd67bd304da65bec7966e0618318fa" title="Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and ...">sync_values()</a> will do nothing. <a href="#a50cf4988393c9a170d196640f4e57384">More...</a><br /></td></tr>
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<tr class="memitem:a7802f29724a1d24e9b317793c58d4b10"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a7802f29724a1d24e9b317793c58d4b10">has_asctive_control_bindings</a> () const</td></tr>
<tr class="memdesc:a7802f29724a1d24e9b317793c58d4b10"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Check.html">Check</a> if the <em>object</em> has an active controlled properties. <a href="#a7802f29724a1d24e9b317793c58d4b10">More...</a><br /></td></tr>
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<tr class="memitem:aee1a36004d2f70fcafb2a69a10c9bae6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#aee1a36004d2f70fcafb2a69a10c9bae6">has_ancestor</a> (const Glib::RefPtr< const <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& ancestor) const</td></tr>
<tr class="memdesc:aee1a36004d2f70fcafb2a69a10c9bae6"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Check.html">Check</a> if <em>object</em> has an ancestor <em>ancestor</em> somewhere up in the hierarchy. <a href="#aee1a36004d2f70fcafb2a69a10c9bae6">More...</a><br /></td></tr>
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<tr class="memitem:a4e8abe2e2e7cda5b26ee7a7e52320890"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a4e8abe2e2e7cda5b26ee7a7e52320890">has_as_ancestor</a> (const Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& ancestor) const</td></tr>
<tr class="memdesc:a4e8abe2e2e7cda5b26ee7a7e52320890"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Check.html">Check</a> if <em>object</em> has an ancestor <em>ancestor</em> somewhere up in the hierarchy. <a href="#a4e8abe2e2e7cda5b26ee7a7e52320890">More...</a><br /></td></tr>
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<tr class="memitem:abaaa4fbe4078d9ceadd45435ed0f079d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#abaaa4fbe4078d9ceadd45435ed0f079d">has_as_parent</a> (const Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& parent) const</td></tr>
<tr class="memdesc:abaaa4fbe4078d9ceadd45435ed0f079d"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Check.html">Check</a> if <em>parent</em> is the parent of <em>object</em>. <a href="#abaaa4fbe4078d9ceadd45435ed0f079d">More...</a><br /></td></tr>
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<tr class="memitem:a4e2da47b8e8eb7c48e6e6ec1a4f6ac94"><td class="memItemLeft" align="right" valign="top">Glib::ustring </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a4e2da47b8e8eb7c48e6e6ec1a4f6ac94">get_path_string</a> ()</td></tr>
<tr class="memdesc:a4e2da47b8e8eb7c48e6e6ec1a4f6ac94"><td class="mdescLeft"> </td><td class="mdescRight">Generates a string describing the path of <em>object</em> in the object hierarchy. <a href="#a4e2da47b8e8eb7c48e6e6ec1a4f6ac94">More...</a><br /></td></tr>
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<tr class="memitem:a3d51c0f61b8ef58eafb2a2f2e59b1f74"><td class="memItemLeft" align="right" valign="top">Glib::PropertyProxy< Glib::ustring > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a3d51c0f61b8ef58eafb2a2f2e59b1f74">property_name</a> ()</td></tr>
<tr class="memdesc:a3d51c0f61b8ef58eafb2a2f2e59b1f74"><td class="mdescLeft"> </td><td class="mdescRight">The name of the object. <a href="#a3d51c0f61b8ef58eafb2a2f2e59b1f74">More...</a><br /></td></tr>
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<tr class="memitem:adf94eb5a427a1e7d2907caf50a8cf7e2"><td class="memItemLeft" align="right" valign="top">Glib::PropertyProxy_ReadOnly< Glib::ustring > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#adf94eb5a427a1e7d2907caf50a8cf7e2">property_name</a> () const</td></tr>
<tr class="memdesc:adf94eb5a427a1e7d2907caf50a8cf7e2"><td class="mdescLeft"> </td><td class="mdescRight">The name of the object. <a href="#adf94eb5a427a1e7d2907caf50a8cf7e2">More...</a><br /></td></tr>
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<tr class="memitem:a73a0272f16e1481f54150b1b412fa88c"><td class="memItemLeft" align="right" valign="top">Glib::PropertyProxy< 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_1Object.html#a73a0272f16e1481f54150b1b412fa88c">property_parent</a> ()</td></tr>
<tr class="memdesc:a73a0272f16e1481f54150b1b412fa88c"><td class="mdescLeft"> </td><td class="mdescRight">The parent of the object. <a href="#a73a0272f16e1481f54150b1b412fa88c">More...</a><br /></td></tr>
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<tr class="memitem:aa675064df0fcf0aaee34db75b8a6005b"><td class="memItemLeft" align="right" valign="top">Glib::PropertyProxy_ReadOnly< 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_1Object.html#aa675064df0fcf0aaee34db75b8a6005b">property_parent</a> () const</td></tr>
<tr class="memdesc:aa675064df0fcf0aaee34db75b8a6005b"><td class="mdescLeft"> </td><td class="mdescRight">The parent of the object. <a href="#aa675064df0fcf0aaee34db75b8a6005b">More...</a><br /></td></tr>
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<tr class="memitem:ac0fe96dbc1176a937bdb829ad3334afb"><td class="memItemLeft" align="right" valign="top">Glib::SignalProxy< void, const Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >&, GParamSpec*> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#ac0fe96dbc1176a937bdb829ad3334afb">signal_deep_notify</a> ()</td></tr>
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<tr class="memitem:afc2d69664a0d2bc0176e3421ff4b351f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#afc2d69664a0d2bc0176e3421ff4b351f">get_refcount</a> () const</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a8d7dfcf69a7c5c6086ab8149626fffcd"><td class="memItemLeft" align="right" valign="top">static GType </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a8d7dfcf69a7c5c6086ab8149626fffcd">get_type</a> ()</td></tr>
<tr class="memdesc:a8d7dfcf69a7c5c6086ab8149626fffcd"><td class="mdescLeft"> </td><td class="mdescRight">Get the GType for this class, for use with the underlying GObject type system. <a href="#a8d7dfcf69a7c5c6086ab8149626fffcd">More...</a><br /></td></tr>
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<tr class="memitem:a036969c9ee33ffe4270c2ceec02222a6"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a036969c9ee33ffe4270c2ceec02222a6">check_uniqueness</a> (const Glib::ListHandle< const <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& list, const Glib::ustring& name)</td></tr>
<tr class="memdesc:a036969c9ee33ffe4270c2ceec02222a6"><td class="mdescLeft"> </td><td class="mdescRight">Checks to see if there is any object named <em>name</em> in <em>list</em>. <a href="#a036969c9ee33ffe4270c2ceec02222a6">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:a133db3a4c137e5cc57227edb343d6fdb"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Object.html#a133db3a4c137e5cc57227edb343d6fdb">on_deep_notify</a> (const Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& prop_object, GParamSpec* prop)</td></tr>
<tr class="memdesc:a133db3a4c137e5cc57227edb343d6fdb"><td class="mdescLeft"> </td><td class="mdescRight">This is a default handler for the signal <a class="el" href="classGst_1_1Object.html#ac0fe96dbc1176a937bdb829ad3334afb">signal_deep_notify()</a>. <a href="#a133db3a4c137e5cc57227edb343d6fdb">More...</a><br /></td></tr>
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<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>
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<tr class="memitem:a78a831adab0d01760dd9cddec10f8986"><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_1Object.html#a78a831adab0d01760dd9cddec10f8986">wrap</a> (GstObject* object, bool take_copy=false)</td></tr>
<tr class="memdesc:a78a831adab0d01760dd9cddec10f8986"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="namespaceGlib.html#a43fcab2a44083e8b7b6a1c8193acae2b">Glib::wrap()</a> method for this object. <a href="#a78a831adab0d01760dd9cddec10f8986">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>A base class for the GStreamer object hierarchy. </p>
<p><a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> provides a root for the object hierarchy tree filed in by the GStreamer library. It is currently a thin wrapper on top of Glib::Object. It is an abstract class that is not very usable on its own.</p>
<p><a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> gives us basic refcounting, parenting functionality and locking. Most of the function are just extended for special GStreamer needs and can be found under the same name in the base class of <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> which is Glib::Object (e.g. Glib::Object::reference() becomes Gst:Object::reference().</p>
<p>In contrast to Glib::Object instances, <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> adds a name property. The functions <a class="el" href="classGst_1_1Object.html#a91745b6c35472bc28fde65c770444478" title="Sets the name of object, or gives object a guaranteed unique name (if name is nullptr). ">set_name()</a> and <a class="el" href="classGst_1_1Object.html#ab8a7e72f2bf6539244668d7238d46159" title="Returns a copy of the name of object. ">get_name()</a> are used to set/get the name of the object.</p>
<p>Last reviewed on 2016-06-06 (1.8.0) </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a81151161e4abf313e76ab35fa73d1293">◆ </a></span>Object()</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ad4ecd638aea2e21916e2e21429eef97a">◆ </a></span>~Object()</h2>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a036969c9ee33ffe4270c2ceec02222a6">◆ </a></span>check_uniqueness()</h2>
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<td class="memname">static bool Gst::Object::check_uniqueness </td>
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<td class="paramtype">const Glib::ListHandle< const <a class="el" href="classGst_1_1Object.html">Gst::Object</a> >& </td>
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<p>Checks to see if there is any object named <em>name</em> in <em>list</em>. </p>
<p>This function does not do any locking of any kind. You might want to protect the provided list with the lock of the owner of the list. This function will lock each <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> in the list to compare the name, so be careful when passing a list with a locked object.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">list</td><td>A list of <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> to check through. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if a <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> named <em>name</em> does not appear in <em>list</em>, <code>false</code> if it does.</dd></dl>
<p>MT safe. Grabs and releases the LOCK of each object in the list. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0f61c7a77c8915f25ea9630e316e64d1">◆ </a></span>get_control_rate()</h2>
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<td class="memname"><a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> Gst::Object::get_control_rate </td>
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<p>Obtain the control-rate for this <em>object</em>. </p>
<p>Audio processing <a class="el" href="classGst_1_1Element.html" title="Abstract base class for all pipeline elements. ">Gst::Element</a> objects will use this rate to sub-divide their processing loop and call <a class="el" href="classGst_1_1Object.html#a1ffd67bd304da65bec7966e0618318fa" title="Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and ...">sync_values()</a> inbetween. The length of the processing segment should be up to <em>control-rate</em> nanoseconds.</p>
<p>If the <em>object</em> is not under property control, this will return <a class="el" href="namespaceGst.html#a07ca62fa6d891070ab6d46c45cd388f1" title="A constant to define an undefined clock time. ">Gst::CLOCK_TIME_NONE</a>. This allows the element to avoid the sub-dividing.</p>
<p>The control-rate is not expected to change if the element is in <a class="el" href="namespaceGst.html#gabb043e1d41659fd842f10949f91e7a7fa702f01b465f78938c8d8467a6c6892d3" title="The element is PAUSED, it is ready to accept and process data. ">Gst::STATE_PAUSED</a> or <a class="el" href="namespaceGst.html#gabb043e1d41659fd842f10949f91e7a7fa396ac09161e15f45f8dc574a91bfef2b" title="The element is PLAYING, the Gst::Clock is running and the data is flowing. ">Gst::STATE_PLAYING</a>.</p>
<dl class="section return"><dt>Returns</dt><dd>The control rate in nanoseconds. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aac824b4d7a69a1068ed3614c8c0bdd24">◆ </a></span>get_flags()</h2>
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<p>Returns the entire set of flags for the object. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab8a7e72f2bf6539244668d7238d46159">◆ </a></span>get_name()</h2>
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<p>Returns a copy of the name of <em>object</em>. </p>
<p>For a nameless object, this returns <code>nullptr</code>, which you can safely Glib::free() as well.</p>
<p>Free-function: g_free</p>
<dl class="section return"><dt>Returns</dt><dd>The name of <em>object</em>.</dd></dl>
<p>MT safe. This function grabs and releases <em>object's</em> LOCK. </p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="basics_2bin_8cc-example.html#a9">basics/bin.cc</a>.</dd>
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<h2 class="memtitle"><span class="permalink"><a href="#a303610665c252f733808e5653703f6a8">◆ </a></span>get_parent() <span class="overload">[1/2]</span></h2>
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<p>Returns the parent of <em>object</em>. </p>
<p>This function increases the refcount of the parent object so you should unref() it after usage.</p>
<dl class="section return"><dt>Returns</dt><dd>Parent of <em>object</em>, this can be <code>nullptr</code> if <em>object</em> has no parent. unref after usage.</dd></dl>
<p>MT safe. Grabs and releases <em>object's</em> LOCK. </p>
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<p>Returns the parent of <em>object</em>. </p>
<p>This function increases the refcount of the parent object so you should unref() it after usage.</p>
<dl class="section return"><dt>Returns</dt><dd>Parent of <em>object</em>, this can be <code>nullptr</code> if <em>object</em> has no parent. unref after usage.</dd></dl>
<p>MT safe. Grabs and releases <em>object's</em> LOCK. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4e2da47b8e8eb7c48e6e6ec1a4f6ac94">◆ </a></span>get_path_string()</h2>
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<p>Generates a string describing the path of <em>object</em> in the object hierarchy. </p>
<p>Only useful (or used) for debugging.</p>
<dl class="section return"><dt>Returns</dt><dd>A string describing the path of <em>object</em>.</dd></dl>
<p>MT safe. Grabs and releases the <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a>'s LOCK for all objects in the hierarchy. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#afc2d69664a0d2bc0176e3421ff4b351f">◆ </a></span>get_refcount()</h2>
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<td class="memname">int Gst::Object::get_refcount </td>
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<p>Get the GType for this class, for use with the underlying GObject type system. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3d889e949c76aa3ab4490026d6aca8ca">◆ </a></span>gobj() <span class="overload">[1/2]</span></h2>
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<p>Provides access to the underlying C GObject. </p>
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<p>Provides access to the underlying C GObject. </p>
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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="#aee1a36004d2f70fcafb2a69a10c9bae6">◆ </a></span>has_ancestor()</h2>
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<td class="memname">bool Gst::Object::has_ancestor </td>
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<td class="paramname"><em>ancestor</em></td><td>)</td>
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<p><a class="el" href="classGst_1_1Check.html">Check</a> if <em>object</em> has an ancestor <em>ancestor</em> somewhere up in the hierarchy. </p>
<p>One can e.g. check if a <a class="el" href="classGst_1_1Element.html" title="Abstract base class for all pipeline elements. ">Gst::Element</a> is inside a <a class="el" href="classGst_1_1Pipeline.html" title="A top-level bin with clocking and bus management functionality. ">Gst::Pipeline</a>.</p>
<p>Deprecated: Use <a class="el" href="classGst_1_1Object.html#a4e8abe2e2e7cda5b26ee7a7e52320890" title="Check if object has an ancestor ancestor somewhere up in the hierarchy. ">has_as_ancestor()</a> instead.</p>
<p>MT safe. Grabs and releases <em>object's</em> locks.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ancestor</td><td>A <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> to check as ancestor. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if <em>ancestor</em> is an ancestor of <em>object</em>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a4e8abe2e2e7cda5b26ee7a7e52320890">◆ </a></span>has_as_ancestor()</h2>
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<p><a class="el" href="classGst_1_1Check.html">Check</a> if <em>object</em> has an ancestor <em>ancestor</em> somewhere up in the hierarchy. </p>
<p>One can e.g. check if a <a class="el" href="classGst_1_1Element.html" title="Abstract base class for all pipeline elements. ">Gst::Element</a> is inside a <a class="el" href="classGst_1_1Pipeline.html" title="A top-level bin with clocking and bus management functionality. ">Gst::Pipeline</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ancestor</td><td>A <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> to check as ancestor. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if <em>ancestor</em> is an ancestor of <em>object</em>.</dd></dl>
<p>MT safe. Grabs and releases <em>object's</em> locks. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#abaaa4fbe4078d9ceadd45435ed0f079d">◆ </a></span>has_as_parent()</h2>
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<p><a class="el" href="classGst_1_1Check.html">Check</a> if <em>parent</em> is the parent of <em>object</em>. </p>
<p>E.g. a <a class="el" href="classGst_1_1Element.html" title="Abstract base class for all pipeline elements. ">Gst::Element</a> can check if it owns a given <a class="el" href="classGst_1_1Pad.html" title="A class that represents objects contained by elements that allows links to other elements. ">Gst::Pad</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">parent</td><td>A <a class="el" href="classGst_1_1Object.html" title="A base class for the GStreamer object hierarchy. ">Gst::Object</a> to check as parent. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>false</code> if either <em>object</em> or <em>parent</em> is <code>nullptr</code>. <code>true</code> if <em>parent</em> is the parent of <em>object</em>. Otherwise <code>false</code>.</dd></dl>
<p>MT safe. Grabs and releases <em>object's</em> locks. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7802f29724a1d24e9b317793c58d4b10">◆ </a></span>has_asctive_control_bindings()</h2>
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<p><a class="el" href="classGst_1_1Check.html">Check</a> if the <em>object</em> has an active controlled properties. </p>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the object has active controlled properties. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a133db3a4c137e5cc57227edb343d6fdb">◆ </a></span>on_deep_notify()</h2>
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<p>This is a default handler for the signal <a class="el" href="classGst_1_1Object.html#ac0fe96dbc1176a937bdb829ad3334afb">signal_deep_notify()</a>. </p>
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<td class="memname"><a class="el" href="classGst_1_1Object.html">Object</a>& Gst::Object::operator= </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a3d51c0f61b8ef58eafb2a2f2e59b1f74">◆ </a></span>property_name() <span class="overload">[1/2]</span></h2>
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<p>The name of the object. </p>
<dl class="section return"><dt>Returns</dt><dd>A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adf94eb5a427a1e7d2907caf50a8cf7e2">◆ </a></span>property_name() <span class="overload">[2/2]</span></h2>
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<p>The name of the object. </p>
<dl class="section return"><dt>Returns</dt><dd>A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a73a0272f16e1481f54150b1b412fa88c">◆ </a></span>property_parent() <span class="overload">[1/2]</span></h2>
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<p>The parent of the object. </p>
<dl class="section return"><dt>Returns</dt><dd>A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa675064df0fcf0aaee34db75b8a6005b">◆ </a></span>property_parent() <span class="overload">[2/2]</span></h2>
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<p>The parent of the object. </p>
<dl class="section return"><dt>Returns</dt><dd>A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a50cf4988393c9a170d196640f4e57384">◆ </a></span>set_control_bindings_disabled()</h2>
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<td class="memname">void Gst::Object::set_control_bindings_disabled </td>
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<p>This function is used to disable all controlled properties of the <em>object</em> for some time, i.e. <a class="el" href="classGst_1_1Object.html#a1ffd67bd304da65bec7966e0618318fa" title="Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and ...">sync_values()</a> will do nothing. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">disabled</td><td>Boolean that specifies whether to disable the controller or not. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a71dd4f21c9c28e44bbb102d4020d6fb9">◆ </a></span>set_control_rate()</h2>
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<td class="memname">void Gst::Object::set_control_rate </td>
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<td class="paramtype"><a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> </td>
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<p>Change the control-rate for this <em>object</em>. </p>
<p>Audio processing <a class="el" href="classGst_1_1Element.html" title="Abstract base class for all pipeline elements. ">Gst::Element</a> objects will use this rate to sub-divide their processing loop and call <a class="el" href="classGst_1_1Object.html#a1ffd67bd304da65bec7966e0618318fa" title="Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and ...">sync_values()</a> inbetween. The length of the processing segment should be up to <em>control-rate</em> nanoseconds.</p>
<p>The control-rate should not change if the element is in <a class="el" href="namespaceGst.html#gabb043e1d41659fd842f10949f91e7a7fa702f01b465f78938c8d8467a6c6892d3" title="The element is PAUSED, it is ready to accept and process data. ">Gst::STATE_PAUSED</a> or <a class="el" href="namespaceGst.html#gabb043e1d41659fd842f10949f91e7a7fa396ac09161e15f45f8dc574a91bfef2b" title="The element is PLAYING, the Gst::Clock is running and the data is flowing. ">Gst::STATE_PLAYING</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">control_rate</td><td>The new control-rate in nanoseconds. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a91745b6c35472bc28fde65c770444478">◆ </a></span>set_name()</h2>
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<td class="memname">bool Gst::Object::set_name </td>
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<p>Sets the name of <em>object</em>, or gives <em>object</em> a guaranteed unique name (if <em>name</em> is <code>nullptr</code>). </p>
<p>This function makes a copy of the provided name, so the caller retains ownership of the name it sent.</p>
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<tr><td class="paramname">name</td><td>New name of object. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the name could be set. Since Objects that have a parent cannot be renamed, this function returns <code>false</code> in those cases.</dd></dl>
<p>MT safe. This function grabs and releases <em>object's</em> LOCK. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a09a2f2fcfb0fabee2597b34a0b7c3fe4">◆ </a></span>set_parent()</h2>
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<td class="memname">bool Gst::Object::set_parent </td>
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<p>Sets the parent of <em>object</em> to <em>parent</em>. </p>
<p>The object's reference count will be incremented, and any floating reference will be removed (see ref_sink()).</p>
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<tr><td class="paramname">parent</td><td>New parent of object. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if <em>parent</em> could be set or <code>false</code> when <em>object</em> already had a parent or <em>object</em> and <em>parent</em> are the same.</dd></dl>
<p>MT safe. Grabs and releases <em>object's</em> LOCK. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac0fe96dbc1176a937bdb829ad3334afb">◆ </a></span>signal_deep_notify()</h2>
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<td class="memname">Glib::SignalProxy< void,const Glib::RefPtr<<a class="el" href="classGst_1_1Object.html">Gst::Object</a>>&,GParamSpec* > Gst::Object::signal_deep_notify </td>
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<dl class="section user"><dt>Slot Prototype:</dt><dd><code>void on_my_deep_notify(const Glib::RefPtr<Gst::Object>& prop_object, GParamSpec* prop)</code></dd></dl>
<p>The deep notify signal is used to be notified of property changes. It is typically attached to the toplevel bin to receive notifications from all the elements contained in that bin.</p>
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<tr><td class="paramname">prop_object</td><td>The object that originated the signal. </td></tr>
<tr><td class="paramname">prop</td><td>The property that changed. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a6ecaa24f220031816a05cd2f332e5149">◆ </a></span>suggest_next_sync()</h2>
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<td class="memname"><a class="el" href="namespaceGst.html#ad35f82b74cae5822fe16b231e8293cda">Gst::ClockTime</a> Gst::Object::suggest_next_sync </td>
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<p>Returns a suggestion for timestamps where buffers should be split to get best controller results. </p>
<dl class="section return"><dt>Returns</dt><dd>Returns the suggested timestamp or <a class="el" href="namespaceGst.html#a07ca62fa6d891070ab6d46c45cd388f1" title="A constant to define an undefined clock time. ">Gst::CLOCK_TIME_NONE</a> if no control-rate was set. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a1ffd67bd304da65bec7966e0618318fa">◆ </a></span>sync_values()</h2>
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<td class="memname">bool Gst::Object::sync_values </td>
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<p>Sets the properties of the object, according to the Gst::ControlSources that (maybe) handle them and for the given timestamp. </p>
<p>If this function fails, it is most likely the application developers fault. Most probably the control sources are not setup correctly.</p>
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<tr><td class="paramname">timestamp</td><td>The time that should be processed. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the controller values could be applied to the object properties, <code>false</code> otherwise. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a45b87529c337e40f03e34bca450e41bc">◆ </a></span>unparent()</h2>
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<td class="memname">void Gst::Object::unparent </td>
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<p>Clear the parent of <em>object</em>, removing the associated reference. </p>
<p>This function decreases the refcount of <em>object</em>.</p>
<p>MT safe. Grabs and releases <em>object's</em> lock. </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="#a78a831adab0d01760dd9cddec10f8986">◆ </a></span>wrap()</h2>
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<td class="memname">Glib::RefPtr< <a class="el" href="classGst_1_1Object.html">Gst::Object</a> > wrap </td>
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<td class="paramtype">GstObject * </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>
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<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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<dl class="section return"><dt>Returns</dt><dd>A C++ instance that wraps this C instance. </dd></dl>
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