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<title>GStreamer VA-API Plugins 1.4 Plugins Reference Manual: GstVaapiPostproc</title>
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<a name="GstVaapiPostproc"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GstVaapiPostproc.top_of_page"></a>GstVaapiPostproc</span></h2>
<p>GstVaapiPostproc — A video postprocessing filter</p>
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<div class="refsect1">
<a name="GstVaapiPostproc.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--brightness" title="The “brightness” property">brightness</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--contrast" title="The “contrast” property">contrast</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstVaapiDeinterlaceMethod</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--deinterlace-method" title="The “deinterlace-method” property">deinterlace-method</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstVaapiDeinterlaceMode</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--deinterlace-mode" title="The “deinterlace-mode” property">deinterlace-mode</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--denoise" title="The “denoise” property">denoise</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gboolean</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--force-aspect-ratio" title="The “force-aspect-ratio” property">force-aspect-ratio</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstVideoFormat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--format" title="The “format” property">format</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">guint</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--height" title="The “height” property">height</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--hue" title="The “hue” property">hue</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--saturation" title="The “saturation” property">saturation</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">gfloat</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--sharpen" title="The “sharpen” property">sharpen</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">guint</span></td>
<td class="property_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc--width" title="The “width” property">width</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.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">struct</td>
<td class="function_name"><a class="link" href="GstVaapiPostproc.html#GstVaapiPostproc-struct" title="struct GstVaapiPostproc">GstVaapiPostproc</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> GInitiallyUnowned
<span class="lineart">╰──</span> GstObject
<span class="lineart">╰──</span> GstElement
<span class="lineart">╰──</span> GstBaseTransform
<span class="lineart">╰──</span> GstVaapiPostproc
</pre>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.description"></a><h2>Description</h2>
<p>vaapipostproc consists in various postprocessing algorithms to be
applied to VA surfaces. So far, only basic bob deinterlacing is
implemented.</p>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.functions_details"></a><h2>Functions</h2>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstVaapiPostproc-struct"></a><h3>struct GstVaapiPostproc</h3>
<pre class="programlisting">struct GstVaapiPostproc;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="GstVaapiPostproc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVaapiPostproc--brightness"></a><h3>The <code class="literal">“brightness”</code> property</h3>
<pre class="programlisting"> “brightness” <span class="type">gfloat</span></pre>
<p>The color brightness, expressed as a float value. Range is -1.0
to 1.0. Default value is 0.0 and represents no modification.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-1,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--contrast"></a><h3>The <code class="literal">“contrast”</code> property</h3>
<pre class="programlisting"> “contrast” <span class="type">gfloat</span></pre>
<p>The color contrast, expressed as a float value. Range is 0.0 to
2.0. Default value is 1.0 and represents no modification.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,2]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--deinterlace-method"></a><h3>The <code class="literal">“deinterlace-method”</code> property</h3>
<pre class="programlisting"> “deinterlace-method” <span class="type">GstVaapiDeinterlaceMethod</span></pre>
<p>This selects the deinterlacing method to apply.</p>
<p>Flags: Read / Write</p>
<p>Default value: Bob deinterlacing</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--deinterlace-mode"></a><h3>The <code class="literal">“deinterlace-mode”</code> property</h3>
<pre class="programlisting"> “deinterlace-mode” <span class="type">GstVaapiDeinterlaceMode</span></pre>
<p>This selects whether the deinterlacing should always be applied or if
they should only be applied on content that has the "interlaced" flag
on the caps.</p>
<p>Flags: Read / Write</p>
<p>Default value: Auto detection</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--denoise"></a><h3>The <code class="literal">“denoise”</code> property</h3>
<pre class="programlisting"> “denoise” <span class="type">gfloat</span></pre>
<p>The level of noise reduction to apply.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--force-aspect-ratio"></a><h3>The <code class="literal">“force-aspect-ratio”</code> property</h3>
<pre class="programlisting"> “force-aspect-ratio” <span class="type">gboolean</span></pre>
<p>When enabled, scaling respects video aspect ratio; when
disabled, the video is distorted to fit the width and height
properties.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--format"></a><h3>The <code class="literal">“format”</code> property</h3>
<pre class="programlisting"> “format” <span class="type">GstVideoFormat</span></pre>
<p>The forced output pixel format, expressed as a <span class="type">GstVideoFormat</span>.</p>
<p>Flags: Read / Write</p>
<p>Default value: GST_VIDEO_FORMAT_UNKNOWN</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--height"></a><h3>The <code class="literal">“height”</code> property</h3>
<pre class="programlisting"> “height” <span class="type">guint</span></pre>
<p>The forced output height in pixels. If set to zero, the height
is calculated from the width if aspect ration is preserved, or
inherited from the sink caps height</p>
<p>Flags: Read / Write</p>
<p>Allowed values: <= G_MAXINT</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--hue"></a><h3>The <code class="literal">“hue”</code> property</h3>
<pre class="programlisting"> “hue” <span class="type">gfloat</span></pre>
<p>The color hue, expressed as a float value. Range is -180.0 to
180.0. Default value is 0.0 and represents no modification.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-180,180]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--saturation"></a><h3>The <code class="literal">“saturation”</code> property</h3>
<pre class="programlisting"> “saturation” <span class="type">gfloat</span></pre>
<p>The color saturation, expressed as a float value. Range is 0.0
to 2.0. Default value is 1.0 and represents no modification.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,2]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--sharpen"></a><h3>The <code class="literal">“sharpen”</code> property</h3>
<pre class="programlisting"> “sharpen” <span class="type">gfloat</span></pre>
<p>The level of sharpening to apply for positive values, or the
level of blurring for negative values.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-1,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVaapiPostproc--width"></a><h3>The <code class="literal">“width”</code> property</h3>
<pre class="programlisting"> “width” <span class="type">guint</span></pre>
<p>The forced output width in pixels. If set to zero, the width is
calculated from the height if aspect ration is preserved, or
inherited from the sink caps width</p>
<p>Flags: Read / Write</p>
<p>Allowed values: <= G_MAXINT</p>
<p>Default value: 0</p>
</div>
</div>
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