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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_1Fraction.html">Fraction</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Gst::Fraction Class Reference<div class="ingroups"><a class="el" href="group__GstHelperClasses.html">gstreamermm Helper Classes</a></div></div> </div>
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<p>A class that represents a fraction.
<a href="classGst_1_1Fraction.html#details">More...</a></p>
<p><code>#include <gstreamermm/value.h></code></p>
<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:ac7a70a40bc5339600fea9d7e1c3903fd"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#ac7a70a40bc5339600fea9d7e1c3903fd">Fraction</a> ()</td></tr>
<tr class="memdesc:ac7a70a40bc5339600fea9d7e1c3903fd"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a zero <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> (0/1). <a href="#ac7a70a40bc5339600fea9d7e1c3903fd">More...</a><br /></td></tr>
<tr class="separator:ac7a70a40bc5339600fea9d7e1c3903fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a820856a52ba35c4c4985f63188c9eeef"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#a820856a52ba35c4c4985f63188c9eeef">Fraction</a> (const <a class="el" href="classGst_1_1Fraction.html">Fraction</a>& src)</td></tr>
<tr class="memdesc:a820856a52ba35c4c4985f63188c9eeef"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from another. <a href="#a820856a52ba35c4c4985f63188c9eeef">More...</a><br /></td></tr>
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<tr class="memitem:a424532fdba4c30598261baac8f51d9c9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#a424532fdba4c30598261baac8f51d9c9">Fraction</a> (int <a class="el" href="classGst_1_1Fraction.html#a7ee5ad361bcf864da23f067abea1980a">num</a>, int <a class="el" href="classGst_1_1Fraction.html#ae2a9e0172a6a3cf89e97cfeefac5f7d0">denom</a>)</td></tr>
<tr class="memdesc:a424532fdba4c30598261baac8f51d9c9"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> (num/denom). <a href="#a424532fdba4c30598261baac8f51d9c9">More...</a><br /></td></tr>
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<tr class="memitem:a0d571dbba0dfd882a389e29f1d11bfcf"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#a0d571dbba0dfd882a389e29f1d11bfcf">Fraction</a> (const Glib::ValueBase& gst_fraction_value)</td></tr>
<tr class="memdesc:a0d571dbba0dfd882a389e29f1d11bfcf"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from a GST_TYPE_FRACTION. <a href="#a0d571dbba0dfd882a389e29f1d11bfcf">More...</a><br /></td></tr>
<tr class="separator:a0d571dbba0dfd882a389e29f1d11bfcf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac3f39158aad8c335a1bd605419fe6ea9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#ac3f39158aad8c335a1bd605419fe6ea9">Fraction</a> (const GValue& gst_fraction_value)</td></tr>
<tr class="memdesc:ac3f39158aad8c335a1bd605419fe6ea9"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from a GST_TYPE_FRACTION. <a href="#ac3f39158aad8c335a1bd605419fe6ea9">More...</a><br /></td></tr>
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<tr class="memitem:a8683046631d9c40d26da624c1c20d551"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGst_1_1Fraction.html">Fraction</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#a8683046631d9c40d26da624c1c20d551">operator=</a> (const <a class="el" href="classGst_1_1Fraction.html">Fraction</a>& src)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a7ee5ad361bcf864da23f067abea1980a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#a7ee5ad361bcf864da23f067abea1980a">num</a></td></tr>
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<tr class="memitem:ae2a9e0172a6a3cf89e97cfeefac5f7d0"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGst_1_1Fraction.html#ae2a9e0172a6a3cf89e97cfeefac5f7d0">denom</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A class that represents a fraction. </p>
<p><a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> is used to store a fraction in Gst::Structures of <a class="el" href="classGst_1_1Caps.html" title="Structure describing sets of media formats. ">Gst::Caps</a> as a value representing a property (see GStreamer Application Development Manual section 8.2.2 and GstValue docs). When the value is set, it is transformed to a GStreamer GType so retrieving the value is a bit different. The class can be used in setting and getting a <a class="el" href="classGst_1_1Structure.html" title="Generic class containing fields of names and values. ">Gst::Structure</a> field like so:</p>
<div class="fragment"><div class="line">Glib::Value<Gst::Fraction> value;</div><div class="line">value.init(Glib::Value<Gst::Fraction>::value_type());</div><div class="line">value.set(<a class="code" href="classGst_1_1Fraction.html">Gst::Fraction</a>(25,1));</div><div class="line"></div><div class="line"><a class="code" href="classGst_1_1Structure.html">Gst::Structure</a> structure(<span class="stringliteral">"my-structure"</span>);</div><div class="line">structure.set_field(<span class="stringliteral">"framerate"</span>, value);</div><div class="line">...</div><div class="line">Glib::ValueBase gst_value;</div><div class="line">structure.get_field(<span class="stringliteral">"framerate"</span>, gst_value);</div><div class="line"><a class="code" href="classGst_1_1Fraction.html">Gst::Fraction</a> fract(gst_value);</div><div class="line"><span class="keywordtype">int</span> numerator = fract.num;</div><div class="line">...</div></div><!-- fragment --><p>Last reviewed on 2016-08-27 (1.8.0) </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="ac7a70a40bc5339600fea9d7e1c3903fd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac7a70a40bc5339600fea9d7e1c3903fd">◆ </a></span>Fraction() <span class="overload">[1/5]</span></h2>
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<p>Constructs a zero <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> (0/1). </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a820856a52ba35c4c4985f63188c9eeef">◆ </a></span>Fraction() <span class="overload">[2/5]</span></h2>
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<td class="paramtype">const <a class="el" href="classGst_1_1Fraction.html">Fraction</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
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<p>Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from another. </p>
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<a id="a424532fdba4c30598261baac8f51d9c9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a424532fdba4c30598261baac8f51d9c9">◆ </a></span>Fraction() <span class="overload">[3/5]</span></h2>
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<p>Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> (num/denom). </p>
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<a id="a0d571dbba0dfd882a389e29f1d11bfcf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0d571dbba0dfd882a389e29f1d11bfcf">◆ </a></span>Fraction() <span class="overload">[4/5]</span></h2>
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<td class="memname">Gst::Fraction::Fraction </td>
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<td class="paramtype">const Glib::ValueBase & </td>
<td class="paramname"><em>gst_fraction_value</em></td><td>)</td>
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<p>Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from a GST_TYPE_FRACTION. </p>
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<td class="paramtype">const GValue & </td>
<td class="paramname"><em>gst_fraction_value</em></td><td>)</td>
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<p>Constructs a <a class="el" href="classGst_1_1Fraction.html" title="A class that represents a fraction. ">Gst::Fraction</a> from a GST_TYPE_FRACTION. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a8683046631d9c40d26da624c1c20d551"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8683046631d9c40d26da624c1c20d551">◆ </a></span>operator=()</h2>
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<td class="memname"><a class="el" href="classGst_1_1Fraction.html">Fraction</a>& Gst::Fraction::operator= </td>
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<td class="paramtype">const <a class="el" href="classGst_1_1Fraction.html">Fraction</a>& </td>
<td class="paramname"><em>src</em></td><td>)</td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2a9e0172a6a3cf89e97cfeefac5f7d0">◆ </a></span>denom</h2>
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<td class="memname">int Gst::Fraction::denom</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a7ee5ad361bcf864da23f067abea1980a">◆ </a></span>num</h2>
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<td class="memname">int Gst::Fraction::num</td>
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