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<h2><span class="refentrytitle"><a name="libs-gstvaapiimage.top_of_page"></a>GstVaapiImage</span></h2>
<p>GstVaapiImage — VA image abstraction</p>
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<div class="refsynopsisdiv">
<a name="libs-gstvaapiimage.synopsis"></a><h2>Synopsis</h2>
<a name="GstVaapiImage"></a><pre class="synopsis">#define <a class="link" href="libs-gstvaapiimage.html#GST-VAAPI-IMAGE-FORMAT:CAPS" title="GST_VAAPI_IMAGE_FORMAT()">GST_VAAPI_IMAGE_FORMAT</a> (image)
#define <a class="link" href="libs-gstvaapiimage.html#GST-VAAPI-IMAGE-WIDTH:CAPS" title="GST_VAAPI_IMAGE_WIDTH()">GST_VAAPI_IMAGE_WIDTH</a> (image)
#define <a class="link" href="libs-gstvaapiimage.html#GST-VAAPI-IMAGE-HEIGHT:CAPS" title="GST_VAAPI_IMAGE_HEIGHT()">GST_VAAPI_IMAGE_HEIGHT</a> (image)
struct <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage-struct" title="struct GstVaapiImage">GstVaapiImage</a>;
struct <a class="link" href="libs-gstvaapiimage.html#GstVaapiImageClass" title="struct GstVaapiImageClass">GstVaapiImageClass</a>;
<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="returnvalue">GstVaapiImage</span></a> * <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-new" title="gst_vaapi_image_new ()">gst_vaapi_image_new</a> (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint</span> width</code></em>,
<em class="parameter"><code><span class="type">guint</span> height</code></em>);
<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="returnvalue">GstVaapiImage</span></a> * <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-new-with-image" title="gst_vaapi_image_new_with_image ()">gst_vaapi_image_new_with_image</a> (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">VAImage</span> *va_image</code></em>);
<a class="link" href="libs-Basic-data-structures.html#GstVaapiID" title="GstVaapiID"><span class="returnvalue">GstVaapiID</span></a> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-id" title="gst_vaapi_image_get_id ()">gst_vaapi_image_get_id</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-image" title="gst_vaapi_image_get_image ()">gst_vaapi_image_get_image</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">VAImage</span> *va_image</code></em>);
<a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="returnvalue">GstVaapiImageFormat</span></a> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-format" title="gst_vaapi_image_get_format ()">gst_vaapi_image_get_format</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-width" title="gst_vaapi_image_get_width ()">gst_vaapi_image_get_width</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-height" title="gst_vaapi_image_get_height ()">gst_vaapi_image_get_height</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-size" title="gst_vaapi_image_get_size ()">gst_vaapi_image_get_size</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-is-linear" title="gst_vaapi_image_is_linear ()">gst_vaapi_image_is_linear</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-is-mapped" title="gst_vaapi_image_is_mapped ()">gst_vaapi_image_is_mapped</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-map" title="gst_vaapi_image_map ()">gst_vaapi_image_map</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-unmap" title="gst_vaapi_image_unmap ()">gst_vaapi_image_unmap</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-plane-count" title="gst_vaapi_image_get_plane_count ()">gst_vaapi_image_get_plane_count</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">guchar</span> * <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-plane" title="gst_vaapi_image_get_plane ()">gst_vaapi_image_get_plane</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> plane</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-pitch" title="gst_vaapi_image_get_pitch ()">gst_vaapi_image_get_pitch</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> plane</code></em>);
<span class="returnvalue">guint</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-data-size" title="gst_vaapi_image_get_data_size ()">gst_vaapi_image_get_data_size</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-buffer" title="gst_vaapi_image_get_buffer ()">gst_vaapi_image_get_buffer</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstBuffer</span> *buffer</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-raw" title="gst_vaapi_image_get_raw ()">gst_vaapi_image_get_raw</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstVaapiImageRaw</span> *dst_image</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-update-from-buffer" title="gst_vaapi_image_update_from_buffer ()">gst_vaapi_image_update_from_buffer</a> (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstBuffer</span> *buffer</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="libs-gstvaapiimage.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----<a class="link" href="GstVaapiObject.html" title="GstVaapiObject">GstVaapiObject</a>
+----GstVaapiImage
</pre>
</div>
<div class="refsect1">
<a name="libs-gstvaapiimage.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage--format" title='The "format" property'>format</a>" <span class="type">guint</span> : Read / Write / Construct Only
"<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage--height" title='The "height" property'>height</a>" <span class="type">guint</span> : Read / Write / Construct Only
"<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage--image" title='The "image" property'>image</a>" <span class="type">VAImage</span>* : Read / Write / Construct Only
"<a class="link" href="libs-gstvaapiimage.html#GstVaapiImage--width" title='The "width" property'>width</a>" <span class="type">guint</span> : Read / Write / Construct Only
</pre>
</div>
<div class="refsect1">
<a name="libs-gstvaapiimage.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libs-gstvaapiimage.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GST-VAAPI-IMAGE-FORMAT:CAPS"></a><h3>GST_VAAPI_IMAGE_FORMAT()</h3>
<pre class="programlisting">#define GST_VAAPI_IMAGE_FORMAT(image) gst_vaapi_image_get_format(image)
</pre>
<p>
Macro that evaluates to the <a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> of <em class="parameter"><code>image</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VAAPI-IMAGE-WIDTH:CAPS"></a><h3>GST_VAAPI_IMAGE_WIDTH()</h3>
<pre class="programlisting">#define GST_VAAPI_IMAGE_WIDTH(image) gst_vaapi_image_get_width(image)
</pre>
<p>
Macro that evaluates to the width of <em class="parameter"><code>image</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-VAAPI-IMAGE-HEIGHT:CAPS"></a><h3>GST_VAAPI_IMAGE_HEIGHT()</h3>
<pre class="programlisting">#define GST_VAAPI_IMAGE_HEIGHT(image) gst_vaapi_image_get_height(image)
</pre>
<p>
Macro that evaluates to the height of <em class="parameter"><code>image</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiImage-struct"></a><h3>struct GstVaapiImage</h3>
<pre class="programlisting">struct GstVaapiImage;</pre>
<p>
A VA image wrapper
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiImageClass"></a><h3>struct GstVaapiImageClass</h3>
<pre class="programlisting">struct GstVaapiImageClass {
};
</pre>
<p>
A VA image wrapper class
</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-new"></a><h3>gst_vaapi_image_new ()</h3>
<pre class="programlisting"><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="returnvalue">GstVaapiImage</span></a> * gst_vaapi_image_new (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> format</code></em>,
<em class="parameter"><code><span class="type">guint</span> width</code></em>,
<em class="parameter"><code><span class="type">guint</span> height</code></em>);</pre>
<p>
Creates a new <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> with the specified format and
dimensions.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>a <a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the requested image width</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the requested image height</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the newly allocated <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-new-with-image"></a><h3>gst_vaapi_image_new_with_image ()</h3>
<pre class="programlisting"><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="returnvalue">GstVaapiImage</span></a> * gst_vaapi_image_new_with_image (<em class="parameter"><code><a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a> *display</code></em>,
<em class="parameter"><code><span class="type">VAImage</span> *va_image</code></em>);</pre>
<p>
Creates a new <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> from a foreign VA image. The image
format and dimensions will be extracted from <em class="parameter"><code>va_image</code></em>. This
function is mainly used by <a class="link" href="libs-gstvaapisurface.html#gst-vaapi-surface-derive-image" title="gst_vaapi_surface_derive_image ()"><code class="function">gst_vaapi_surface_derive_image()</code></a> to bind
a VA image to a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>display</code></em> :</span></p></td>
<td>a <a class="link" href="GstVaapiDisplay.html" title="GstVaapiDisplay"><span class="type">GstVaapiDisplay</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>va_image</code></em> :</span></p></td>
<td>a VA image</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the newly allocated <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-id"></a><h3>gst_vaapi_image_get_id ()</h3>
<pre class="programlisting"><a class="link" href="libs-Basic-data-structures.html#GstVaapiID" title="GstVaapiID"><span class="returnvalue">GstVaapiID</span></a> gst_vaapi_image_get_id (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Returns the underlying VAImageID of the <em class="parameter"><code>image</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the underlying VA image id</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-image"></a><h3>gst_vaapi_image_get_image ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_get_image (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">VAImage</span> *va_image</code></em>);</pre>
<p>
Fills <em class="parameter"><code>va_image</code></em> with the VA image used internally.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>va_image</code></em> :</span></p></td>
<td>a VA image</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-format"></a><h3>gst_vaapi_image_get_format ()</h3>
<pre class="programlisting"><a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="returnvalue">GstVaapiImageFormat</span></a> gst_vaapi_image_get_format (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Returns the <a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> the <em class="parameter"><code>image</code></em> was created with.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-width"></a><h3>gst_vaapi_image_get_width ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_image_get_width (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>image</code></em> width.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the image width, in pixels</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-height"></a><h3>gst_vaapi_image_get_height ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_image_get_height (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Returns the <em class="parameter"><code>image</code></em> height.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the image height, in pixels.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-size"></a><h3>gst_vaapi_image_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gst_vaapi_image_get_size (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pwidth</code></em>,
<em class="parameter"><code><span class="type">guint</span> *pheight</code></em>);</pre>
<p>
Retrieves the dimensions of a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pwidth</code></em> :</span></p></td>
<td>return location for the width, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pheight</code></em> :</span></p></td>
<td>return location for the height, or <code class="literal">NULL</code>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-is-linear"></a><h3>gst_vaapi_image_is_linear ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_is_linear (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Checks whether the <em class="parameter"><code>image</code></em> has data planes allocated from a single
buffer and offsets into that buffer are in increasing order with
the number of planes.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if image data planes are allocated from a single buffer</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-is-mapped"></a><h3>gst_vaapi_image_is_mapped ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_is_mapped (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Checks whether the <em class="parameter"><code>image</code></em> is currently mapped or not.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if the <em class="parameter"><code>image</code></em> is mapped</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-map"></a><h3>gst_vaapi_image_map ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_map (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Maps the image data buffer. The actual pixels are returned by the
<a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-plane" title="gst_vaapi_image_get_plane ()"><code class="function">gst_vaapi_image_get_plane()</code></a> function.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-unmap"></a><h3>gst_vaapi_image_unmap ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_unmap (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Unmaps the image data buffer. Pointers to pixels returned by
<a class="link" href="libs-gstvaapiimage.html#gst-vaapi-image-get-plane" title="gst_vaapi_image_get_plane ()"><code class="function">gst_vaapi_image_get_plane()</code></a> are then no longer valid.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-plane-count"></a><h3>gst_vaapi_image_get_plane_count ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_image_get_plane_count (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Retrieves the number of planes available in the <em class="parameter"><code>image</code></em>. The <em class="parameter"><code>image</code></em>
must be mapped for this function to work properly.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of planes available in the <em class="parameter"><code>image</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-plane"></a><h3>gst_vaapi_image_get_plane ()</h3>
<pre class="programlisting"><span class="returnvalue">guchar</span> * gst_vaapi_image_get_plane (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> plane</code></em>);</pre>
<p>
Retrieves the pixels data to the specified <em class="parameter"><code>plane</code></em>. The <em class="parameter"><code>image</code></em> must
be mapped for this function to work properly.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>plane</code></em> :</span></p></td>
<td>the requested plane number</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the pixels data of the specified <em class="parameter"><code>plane</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-pitch"></a><h3>gst_vaapi_image_get_pitch ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_image_get_pitch (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">guint</span> plane</code></em>);</pre>
<p>
Retrieves the line size (stride) of the specified <em class="parameter"><code>plane</code></em>. The
<em class="parameter"><code>image</code></em> must be mapped for this function to work properly.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>plane</code></em> :</span></p></td>
<td>the requested plane number</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the line size (stride) of the specified plane</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-data-size"></a><h3>gst_vaapi_image_get_data_size ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span> gst_vaapi_image_get_data_size (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>);</pre>
<p>
Retrieves the underlying image data size. This function could be
used to determine whether the image has a compatible layout with
another image structure.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the whole image data size of the <em class="parameter"><code>image</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-buffer"></a><h3>gst_vaapi_image_get_buffer ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_get_buffer (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstBuffer</span> *buffer</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);</pre>
<p>
Transfers pixels data contained in the <em class="parameter"><code>image</code></em> into the <span class="type">GstBuffer</span>.
Both image structures shall have the same format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>a <span class="type">GstBuffer</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rect</code></em> :</span></p></td>
<td>a <a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> expressing a region, or <code class="literal">NULL</code> for the
whole image</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-get-raw"></a><h3>gst_vaapi_image_get_raw ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_get_raw (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstVaapiImageRaw</span> *dst_image</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);</pre>
<p>
Transfers pixels data contained in the <em class="parameter"><code>image</code></em> into the <span class="type">GstVaapiImageRaw</span>.
Both image structures shall have the same format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dst_image</code></em> :</span></p></td>
<td>a <span class="type">GstVaapiImageRaw</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rect</code></em> :</span></p></td>
<td>a <a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> expressing a region, or <code class="literal">NULL</code> for the
whole image</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-vaapi-image-update-from-buffer"></a><h3>gst_vaapi_image_update_from_buffer ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gst_vaapi_image_update_from_buffer (<em class="parameter"><code><a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a> *image</code></em>,
<em class="parameter"><code><span class="type">GstBuffer</span> *buffer</code></em>,
<em class="parameter"><code><a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> *rect</code></em>);</pre>
<p>
Transfers pixels data contained in the <span class="type">GstBuffer</span> into the
<em class="parameter"><code>image</code></em>. Both image structures shall have the same format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>image</code></em> :</span></p></td>
<td>a <a class="link" href="libs-gstvaapiimage.html#GstVaapiImage"><span class="type">GstVaapiImage</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>a <span class="type">GstBuffer</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rect</code></em> :</span></p></td>
<td>a <a class="link" href="libs-Basic-data-structures.html#GstVaapiRectangle" title="struct GstVaapiRectangle"><span class="type">GstVaapiRectangle</span></a> expressing a region, or <code class="literal">NULL</code> for the
whole image</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="libs-gstvaapiimage.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVaapiImage--format"></a><h3>The <code class="literal">"format"</code> property</h3>
<pre class="programlisting"> "format" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>
The <a class="link" href="libs-GstVaapiImageFormat.html#GstVaapiImageFormat" title="enum GstVaapiImageFormat"><span class="type">GstVaapiImageFormat</span></a> of the image
</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiImage--height"></a><h3>The <code class="literal">"height"</code> property</h3>
<pre class="programlisting"> "height" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The image height.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiImage--image"></a><h3>The <code class="literal">"image"</code> property</h3>
<pre class="programlisting"> "image" <span class="type">VAImage</span>* : Read / Write / Construct Only</pre>
<p>The underlying VA image.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiImage--width"></a><h3>The <code class="literal">"width"</code> property</h3>
<pre class="programlisting"> "width" <span class="type">guint</span> : Read / Write / Construct Only</pre>
<p>The image width.</p>
<p>Default value: 0</p>
</div>
</div>
</div>
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