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<h1>Gst::QueryConvert Class Reference</h1><!-- doxytag: class="Gst::QueryConvert" --><!-- doxytag: inherits="Gst::Query" -->
<p>A convert query object. <a href="#_details">More...</a></p>
<p>Inherits <a class="el" href="classGst_1_1Query.html">Gst::Query</a>.</p>
<div class="dynheader">
Collaboration diagram for Gst::QueryConvert:</div>
<div class="dynsection">
<div class="center"><img src="classGst_1_1QueryConvert__coll__graph.png" border="0" usemap="#Gst_1_1QueryConvert_coll__map" alt="Collaboration graph"/></div>
<map name="Gst_1_1QueryConvert_coll__map" id="Gst_1_1QueryConvert_coll__map">
<area shape="rect" href="classGst_1_1Query.html" title="Gst::Query - Classes used to perform queries on pads and elements." alt="" coords="28,83,113,112"/><area shape="rect" href="classMiniObject.html" title="MiniObject" alt="" coords="29,5,112,35"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classGst_1_1QueryConvert-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#a34d6d4a33facc1d365e2bb806216fce4">QueryConvert</a> (GstQuery* query)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#ad84839a470017a380cbde768bcb9c9a0">set</a> (<a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> src_format, gint64 src_value, <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> dest_format, gint64 dest_value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Answer a convert query by setting the requested values. <a href="#ad84839a470017a380cbde768bcb9c9a0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#ab293e0f82ef5165be0a229810349e066">parse</a> (<a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& src_format, gint64& src_value, <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& dest_format, gint64& dest_value) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> a convert query answer. <a href="#ab293e0f82ef5165be0a229810349e066"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#a8b7576568779160fc5eaddcee727e1d5">parse</a> (<a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& dest_format, gint64& dest_value) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination format and value of a convert query answer. <a href="#a8b7576568779160fc5eaddcee727e1d5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#aee36a71faa3e872ea0025a0c5d5241a3">parse_src_format</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the source format of a convert query answer, returning the format. <a href="#aee36a71faa3e872ea0025a0c5d5241a3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">gint64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#a2b4b2ace1116384c70bae2dab7bceec9">parse_src_value</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the source value of a convert query answer returning, the value. <a href="#a2b4b2ace1116384c70bae2dab7bceec9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#ae752832f39a97f1180369f6830cd6a07">parse_dest_format</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination format of a convert query answer, returning the format. <a href="#ae752832f39a97f1180369f6830cd6a07"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">gint64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#a49fcbc91f386306eb9cf5cb7f4fece99">parse_dest_value</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination value of a convert query answer, returning the value. <a href="#a49fcbc91f386306eb9cf5cb7f4fece99"></a><br/></td></tr>
<tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGst_1_1Query.html">Gst::Query</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1QueryConvert.html#a744dc9fc6b065c2ac0503d605538386c">create</a> (<a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> src_format, gint64 <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01009.html#ga1c9e781d8d15a3814a601f471797c825">value</a>, <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> dest_format)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructs a new convert query object. <a href="#a744dc9fc6b065c2ac0503d605538386c"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>A convert query object. </p>
<p>See <a class="el" href="classGst_1_1QueryConvert.html#a744dc9fc6b065c2ac0503d605538386c" title="Constructs a new convert query object.">create()</a> for more details. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a34d6d4a33facc1d365e2bb806216fce4"></a><!-- doxytag: member="Gst::QueryConvert::QueryConvert" ref="a34d6d4a33facc1d365e2bb806216fce4" args="(GstQuery *query)" -->
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<td class="memname">Gst::QueryConvert::QueryConvert </td>
<td>(</td>
<td class="paramtype">GstQuery * </td>
<td class="paramname"> <em>query</em></td>
<td> ) </td>
<td><code> [explicit]</code></td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a744dc9fc6b065c2ac0503d605538386c"></a><!-- doxytag: member="Gst::QueryConvert::create" ref="a744dc9fc6b065c2ac0503d605538386c" args="(Format src_format, gint64 value, Format dest_format)" -->
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<td class="memname">static <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classGst_1_1Query.html">Gst::Query</a>> Gst::QueryConvert::create </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td>
<td class="paramname"> <em>src_format</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">gint64 </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td>
<td class="paramname"> <em>dest_format</em></td><td> </td>
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<td></td><td></td><td><code> [static]</code></td>
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<p>Constructs a new convert query object. </p>
<p>A convert query is used to ask for a conversion between one format and another. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>src_format</em> </td><td>The source <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> for the new query. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>The value to convert. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_format</em> </td><td>The target <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a>. </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The new <a class="el" href="classGst_1_1QueryConvert.html" title="A convert query object.">Gst::QueryConvert</a>. </dd></dl>
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<a class="anchor" id="a8b7576568779160fc5eaddcee727e1d5"></a><!-- doxytag: member="Gst::QueryConvert::parse" ref="a8b7576568779160fc5eaddcee727e1d5" args="(Format &dest_format, gint64 &dest_value) const " -->
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<td class="memname">void Gst::QueryConvert::parse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& </td>
<td class="paramname"> <em>dest_format</em>, </td>
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<td class="paramtype">gint64 & </td>
<td class="paramname"> <em>dest_value</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const</td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination format and value of a convert query answer. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dest_format</em> </td><td>The storage for the <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> of the destination value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_value</em> </td><td>The storage for the destination value. </td></tr>
</table>
</dd>
</dl>
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<a class="anchor" id="ab293e0f82ef5165be0a229810349e066"></a><!-- doxytag: member="Gst::QueryConvert::parse" ref="ab293e0f82ef5165be0a229810349e066" args="(Format &src_format, gint64 &src_value, Format &dest_format, gint64 &dest_value) const " -->
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<td class="memname">void Gst::QueryConvert::parse </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& </td>
<td class="paramname"> <em>src_format</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">gint64 & </td>
<td class="paramname"> <em>src_value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a>& </td>
<td class="paramname"> <em>dest_format</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">gint64 & </td>
<td class="paramname"> <em>dest_value</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const</td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> a convert query answer. </p>
<p>Use the other <a class="el" href="classGst_1_1QueryConvert.html#ab293e0f82ef5165be0a229810349e066" title="Parse a convert query answer.">parse()</a> methods for parsing individual values. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>src_format</em> </td><td>The storage for the <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> of the source value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src_value</em> </td><td>The storage for the source value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_format</em> </td><td>The storage for the <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> of the destination. value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_value</em> </td><td>The storage for the destination value. </td></tr>
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</dd>
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<a class="anchor" id="ae752832f39a97f1180369f6830cd6a07"></a><!-- doxytag: member="Gst::QueryConvert::parse_dest_format" ref="ae752832f39a97f1180369f6830cd6a07" args="() const " -->
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<td class="memname"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> Gst::QueryConvert::parse_dest_format </td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination format of a convert query answer, returning the format. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> of the destination value. </dd></dl>
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<a class="anchor" id="a49fcbc91f386306eb9cf5cb7f4fece99"></a><!-- doxytag: member="Gst::QueryConvert::parse_dest_value" ref="a49fcbc91f386306eb9cf5cb7f4fece99" args="() const " -->
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<td class="memname">gint64 Gst::QueryConvert::parse_dest_value </td>
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<td> const</td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the destination value of a convert query answer, returning the value. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The destination value. </dd></dl>
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<a class="anchor" id="aee36a71faa3e872ea0025a0c5d5241a3"></a><!-- doxytag: member="Gst::QueryConvert::parse_src_format" ref="aee36a71faa3e872ea0025a0c5d5241a3" args="() const " -->
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<td class="memname"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> Gst::QueryConvert::parse_src_format </td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the source format of a convert query answer, returning the format. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a> of the source value. </dd></dl>
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<a class="anchor" id="a2b4b2ace1116384c70bae2dab7bceec9"></a><!-- doxytag: member="Gst::QueryConvert::parse_src_value" ref="a2b4b2ace1116384c70bae2dab7bceec9" args="() const " -->
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<td class="memname">gint64 Gst::QueryConvert::parse_src_value </td>
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<td> const</td>
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<p><a class="el" href="classGst_1_1Parse.html" title="Gst::Parse - Get a pipeline from a text pipeline description.">Parse</a> the source value of a convert query answer returning, the value. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The source value. </dd></dl>
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<a class="anchor" id="ad84839a470017a380cbde768bcb9c9a0"></a><!-- doxytag: member="Gst::QueryConvert::set" ref="ad84839a470017a380cbde768bcb9c9a0" args="(Format src_format, gint64 src_value, Format dest_format, gint64 dest_value)" -->
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<td class="memname">void Gst::QueryConvert::set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td>
<td class="paramname"> <em>src_format</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">gint64 </td>
<td class="paramname"> <em>src_value</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Format</a> </td>
<td class="paramname"> <em>dest_format</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gint64 </td>
<td class="paramname"> <em>dest_value</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
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<p>Answer a convert query by setting the requested values. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>src_format</em> </td><td>The source <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src_value</em> </td><td>The source value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_format</em> </td><td>The destination <a class="el" href="group__gstreamermmEnums.html#ga9aeb4c7c49680888ff819ac95fb13cff">Gst::Format</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dest_value</em> </td><td>The destination value. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>gstreamermm/query.h</li>
</ul>
</div>
<hr size="1"/><address style="text-align: right;"><small>Generated on Mon Sep 21 22:33:00 2009 for gstreamermm by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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i586
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media
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contrib-release
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7a65d2578765429f23843d9c8d1c0efa
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files
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