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<a name="gst-plugins-good-plugins-v4l2sink"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-v4l2sink.top_of_page"></a>v4l2sink</span></h2>
<p>v4l2sink</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.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">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--device" title="The “device” property">device</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--device-fd" title="The “device-fd” property">device-fd</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--device-name" title="The “device-name” property">device-name</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstV4l2DeviceTypeFlags</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--flags" title="The “flags” property">flags</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--overlay-height" title="The “overlay-height” property">overlay-height</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--overlay-left" title="The “overlay-left” property">overlay-left</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--overlay-top" title="The “overlay-top” property">overlay-top</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--overlay-width" title="The “overlay-width” property">overlay-width</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--queue-size" title="The “queue-size” property">queue-size</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--brightness" title="The “brightness” property">brightness</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--contrast" title="The “contrast” property">contrast</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--hue" title="The “hue” property">hue</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--saturation" title="The “saturation” property">saturation</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--crop-height" title="The “crop-height” property">crop-height</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--crop-left" title="The “crop-left” property">crop-left</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--crop-top" title="The “crop-top” property">crop-top</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--crop-width" title="The “crop-width” property">crop-width</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--min-queued-bufs" title="The “min-queued-bufs” property">min-queued-bufs</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstV4l2IOMode</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--io-mode" title="The “io-mode” property">io-mode</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">V4L2_TV_norms</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--norm" title="The “norm” property">norm</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html"><span class="type">GstStructure</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--extra-controls" title="The “extra-controls” property">extra-controls</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--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">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink--pixel-aspect-ratio" title="The “pixel-aspect-ratio” property">pixel-aspect-ratio</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstV4l2Sink"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.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="gst-plugins-good-plugins-v4l2sink.html#GstV4l2Sink-struct" title="struct GstV4l2Sink">GstV4l2Sink</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
<span class="lineart">╰──</span> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseSink.html">GstBaseSink</a>
<span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideosink.html#GstVideoSink">GstVideoSink</a>
<span class="lineart">╰──</span> GstV4l2Sink
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstV4l2Sink implements
GstTuner, <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideooverlay.html#GstVideoOverlay">GstVideoOverlay</a>, <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstnavigation.html#GstNavigation">GstNavigation</a>, <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance">GstColorBalance</a> and <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideoorientation.html#GstVideoOrientation">GstVideoOrientation</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.description"></a><h2>Description</h2>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.171.8.2.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-video4linux2.html#plugin-video4linux2">video4linux2</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Rob Clark &lt;rob@ti.com&gt;,</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Sink/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.171.8.2.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>image/jpeg</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/mpeg, mpegversion=(int)4, systemstream=(boolean)false</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/mpeg, mpegversion=(int)2</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/mpegts, systemstream=(boolean)true</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-bayer, format=(string){ bggr, gbrg, grbg, rggb }, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-dv, systemstream=(boolean)true</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-h263, variant=(string)itu</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-h264, stream-format=(string)byte-stream, alignment=(string)au</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-pwc1, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-pwc2, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw, format=(string){ RGB15, RGB16, BGR, RGB, BGRx, BGRA, xRGB, ARGB, GRAY8, YVU9, YV12, YUY2, UYVY, Y42B, Y41B, NV12_64Z32, YUV9, I420, YVYU, NV21, NV12 }, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-sonix, width=(int)[ 1, 32768 ], height=(int)[ 1, 32768 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-vp8</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstV4l2Sink-struct"></a><h3>struct GstV4l2Sink</h3>
<pre class="programlisting">struct GstV4l2Sink;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-v4l2sink.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstV4l2Sink--device"></a><h3>The <code class="literal">“device”</code> property</h3>
<pre class="programlisting"> “device” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Device location.</p>
<p>Flags: Read / Write</p>
<p>Default value: "/dev/video1"</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--device-fd"></a><h3>The <code class="literal">“device-fd”</code> property</h3>
<pre class="programlisting"> “device-fd” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>File descriptor of the device.</p>
<p>Flags: Read</p>
<p>Allowed values: &gt;= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--device-name"></a><h3>The <code class="literal">“device-name”</code> property</h3>
<pre class="programlisting"> “device-name” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Name of the device.</p>
<p>Flags: Read</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--flags"></a><h3>The <code class="literal">“flags”</code> property</h3>
<pre class="programlisting"> “flags” <span class="type">GstV4l2DeviceTypeFlags</span></pre>
<p>Device type flags.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--overlay-height"></a><h3>The <code class="literal">“overlay-height”</code> property</h3>
<pre class="programlisting"> “overlay-height” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The height of the video overlay; default is equal to negotiated image height.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--overlay-left"></a><h3>The <code class="literal">“overlay-left”</code> property</h3>
<pre class="programlisting"> “overlay-left” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>The leftmost (x) coordinate of the video overlay; top left corner of screen is 0,0.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--overlay-top"></a><h3>The <code class="literal">“overlay-top”</code> property</h3>
<pre class="programlisting"> “overlay-top” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>The topmost (y) coordinate of the video overlay; top left corner of screen is 0,0.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--overlay-width"></a><h3>The <code class="literal">“overlay-width”</code> property</h3>
<pre class="programlisting"> “overlay-width” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The width of the video overlay; default is equal to negotiated image width.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--queue-size"></a><h3>The <code class="literal">“queue-size”</code> property</h3>
<pre class="programlisting"> “queue-size” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>Number of buffers to be enqueud in the driver in streaming mode.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [1,16]</p>
<p>Default value: 12</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--brightness"></a><h3>The <code class="literal">“brightness”</code> property</h3>
<pre class="programlisting"> “brightness” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Picture brightness, or more precisely, the black level.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--contrast"></a><h3>The <code class="literal">“contrast”</code> property</h3>
<pre class="programlisting"> “contrast” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Picture contrast or luma gain.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--hue"></a><h3>The <code class="literal">“hue”</code> property</h3>
<pre class="programlisting"> “hue” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Hue or color balance.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--saturation"></a><h3>The <code class="literal">“saturation”</code> property</h3>
<pre class="programlisting"> “saturation” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Picture color saturation or chroma gain.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--crop-height"></a><h3>The <code class="literal">“crop-height”</code> property</h3>
<pre class="programlisting"> “crop-height” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The height of the video crop; default is equal to negotiated image height.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--crop-left"></a><h3>The <code class="literal">“crop-left”</code> property</h3>
<pre class="programlisting"> “crop-left” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>The leftmost (x) coordinate of the video crop; top left corner of image is 0,0.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--crop-top"></a><h3>The <code class="literal">“crop-top”</code> property</h3>
<pre class="programlisting"> “crop-top” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>The topmost (y) coordinate of the video crop; top left corner of image is 0,0.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--crop-width"></a><h3>The <code class="literal">“crop-width”</code> property</h3>
<pre class="programlisting"> “crop-width” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The width of the video crop; default is equal to negotiated image width.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--min-queued-bufs"></a><h3>The <code class="literal">“min-queued-bufs”</code> property</h3>
<pre class="programlisting"> “min-queued-bufs” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>Minimum number of queued bufs; v4l2sink won't dqbuf if the driver doesn't have more than this number (which normally you shouldn't change).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &lt;= 16</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--io-mode"></a><h3>The <code class="literal">“io-mode”</code> property</h3>
<pre class="programlisting"> “io-mode” <span class="type">GstV4l2IOMode</span></pre>
<p>I/O mode.</p>
<p>Flags: Read / Write</p>
<p>Default value: GST_V4L2_IO_AUTO</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--norm"></a><h3>The <code class="literal">“norm”</code> property</h3>
<pre class="programlisting"> “norm” <span class="type">V4L2_TV_norms</span></pre>
<p>video standard.</p>
<p>Flags: Read / Write</p>
<p>Default value: none</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--extra-controls"></a><h3>The <code class="literal">“extra-controls”</code> property</h3>
<pre class="programlisting"> “extra-controls” <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html"><span class="type">GstStructure</span></a> *</pre>
<p>Extra v4l2 controls (CIDs) for the device.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--force-aspect-ratio"></a><h3>The <code class="literal">“force-aspect-ratio”</code> property</h3>
<pre class="programlisting"> “force-aspect-ratio” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>When enabled, the pixel aspect ratio will be enforced.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstV4l2Sink--pixel-aspect-ratio"></a><h3>The <code class="literal">“pixel-aspect-ratio”</code> property</h3>
<pre class="programlisting"> “pixel-aspect-ratio” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Overwrite the pixel aspect ratio of the device.</p>
<p>Flags: Read / Write</p>
<p>Default value: "1/1"</p>
</div>
</div>
</div>
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