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<title>GStreamer VA-API Plugins 1.4 Library Reference Manual: GstVaapiDisplayX11</title>
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<a href="#libs-GstVaapiDisplayX11.description" class="shortcut">Description</a></span>
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<a name="libs-GstVaapiDisplayX11"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libs-GstVaapiDisplayX11.top_of_page"></a>GstVaapiDisplayX11</span></h2>
<p>GstVaapiDisplayX11 — VA/X11 display abstraction</p>
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<div class="refsect1">
<a name="libs-GstVaapiDisplayX11.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
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<tr>
<td class="function_type">
<a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *
</td>
<td class="function_name">
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new" title="gst_vaapi_display_x11_new ()">gst_vaapi_display_x11_new</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *
</td>
<td class="function_name">
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new-with-display" title="gst_vaapi_display_x11_new_with_display ()">gst_vaapi_display_x11_new_with_display</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">Display</span> *
</td>
<td class="function_name">
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-get-display" title="gst_vaapi_display_x11_get_display ()">gst_vaapi_display_x11_get_display</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-get-screen" title="gst_vaapi_display_x11_get_screen ()">gst_vaapi_display_x11_get_screen</a> <span class="c_punctuation">()</span>
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</table></div>
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<div class="refsect1">
<a name="libs-GstVaapiDisplayX11.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="libs-GstVaapiDisplayX11.html#GstVaapiDisplayX11" title="GstVaapiDisplayX11">GstVaapiDisplayX11</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libs-GstVaapiDisplayX11.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libs-GstVaapiDisplayX11.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-vaapi-display-x11-new"></a><h3>gst_vaapi_display_x11_new ()</h3>
<pre class="programlisting"><a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *
gst_vaapi_display_x11_new (<em class="parameter"><code>const <span class="type">gchar</span> *display_name</code></em>);</pre>
<p>Opens an X11 <span class="type">Display</span> using <em class="parameter"><code>display_name</code></em>
and returns a newly
allocated <a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> object. The X11 display will be cloed
when the reference count of the object reaches zero.</p>
<div class="refsect3">
<a name="id-1.2.5.6.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>display_name</p></td>
<td class="parameter_description"><p>the X11 display name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.6.2.6"></a><h4>Returns</h4>
<p> a newly allocated <a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> object</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-x11-new-with-display"></a><h3>gst_vaapi_display_x11_new_with_display ()</h3>
<pre class="programlisting"><a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="returnvalue">GstVaapiDisplay</span></a> *
gst_vaapi_display_x11_new_with_display
(<em class="parameter"><code><span class="type">Display</span> *x11_display</code></em>);</pre>
<p>Creates a <a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> based on the X11 <em class="parameter"><code>x11_display</code></em>
display. The caller still owns the display and must call
<code class="function">XCloseDisplay()</code> when all <a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> references are
released. Doing so too early can yield undefined behaviour.</p>
<div class="refsect3">
<a name="id-1.2.5.6.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>x11_display</p></td>
<td class="parameter_description"><p>an X11 <span class="type">Display</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.6.3.6"></a><h4>Returns</h4>
<p> a newly allocated <a class="link" href="libs-GstVaapiDisplay.html#GstVaapiDisplay" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> object</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-x11-get-display"></a><h3>gst_vaapi_display_x11_get_display ()</h3>
<pre class="programlisting"><span class="returnvalue">Display</span> *
gst_vaapi_display_x11_get_display (<em class="parameter"><code><a class="link" href="libs-GstVaapiDisplayX11.html#GstVaapiDisplayX11" title="GstVaapiDisplayX11"><span class="type">GstVaapiDisplayX11</span></a> *display</code></em>);</pre>
<p>Returns the underlying X11 <span class="type">Display</span> that was created by
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new" title="gst_vaapi_display_x11_new ()"><code class="function">gst_vaapi_display_x11_new()</code></a> or that was bound from
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new-with-display" title="gst_vaapi_display_x11_new_with_display ()"><code class="function">gst_vaapi_display_x11_new_with_display()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.5.6.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>display</p></td>
<td class="parameter_description"><p>a <a class="link" href="libs-GstVaapiDisplayX11.html#GstVaapiDisplayX11" title="GstVaapiDisplayX11"><span class="type">GstVaapiDisplayX11</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.6.4.6"></a><h4>Returns</h4>
<p> the X11 <span class="type">Display</span> attached to <em class="parameter"><code>display</code></em>
</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-display-x11-get-screen"></a><h3>gst_vaapi_display_x11_get_screen ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gst_vaapi_display_x11_get_screen (<em class="parameter"><code><a class="link" href="libs-GstVaapiDisplayX11.html#GstVaapiDisplayX11" title="GstVaapiDisplayX11"><span class="type">GstVaapiDisplayX11</span></a> *display</code></em>);</pre>
<p>Returns the default X11 screen that was created by
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new" title="gst_vaapi_display_x11_new ()"><code class="function">gst_vaapi_display_x11_new()</code></a> or that was bound from
<a class="link" href="libs-GstVaapiDisplayX11.html#gst-vaapi-display-x11-new-with-display" title="gst_vaapi_display_x11_new_with_display ()"><code class="function">gst_vaapi_display_x11_new_with_display()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.5.6.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>display</p></td>
<td class="parameter_description"><p>a <a class="link" href="libs-GstVaapiDisplayX11.html#GstVaapiDisplayX11" title="GstVaapiDisplayX11"><span class="type">GstVaapiDisplayX11</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.5.6.5.6"></a><h4>Returns</h4>
<p> the X11 <span class="type">Display</span> attached to <em class="parameter"><code>display</code></em>
</p>
<p></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="libs-GstVaapiDisplayX11.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstVaapiDisplayX11"></a><h3>GstVaapiDisplayX11</h3>
<pre class="programlisting">typedef struct _GstVaapiDisplayX11 GstVaapiDisplayX11;</pre>
<p>VA/X11 display wrapper.</p>
</div>
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