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<a href="#gst-plugins-base-plugins-videotestsrc.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-base-plugins-videotestsrc.description" class="shortcut">Description</a>
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<a href="#gst-plugins-base-plugins-videotestsrc.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#gst-plugins-base-plugins-videotestsrc.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="gst-plugins-base-plugins-videotestsrc"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-videotestsrc.top_of_page"></a>videotestsrc</span></h2>
<p>videotestsrc — Creates a test video stream</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-base-plugins-videotestsrc.synopsis"></a><h2>Synopsis</h2>
<a name="GstVideoTestSrc"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc-struct" title="struct GstVideoTestSrc">GstVideoTestSrc</a>;
enum <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern" title="enum GstVideoTestSrcPattern">GstVideoTestSrcPattern</a>;
enum <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcColorSpec" title="enum GstVideoTestSrcColorSpec">GstVideoTestSrcColorSpec</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-videotestsrc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstBaseSrc.html">GstBaseSrc</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstPushSrc.html">GstPushSrc</a>
+----GstVideoTestSrc
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-videotestsrc.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--pattern" title='The "pattern" property'>pattern</a>" <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern" title="enum GstVideoTestSrcPattern"><span class="type">GstVideoTestSrcPattern</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--timestamp-offset" title='The "timestamp-offset" property'>timestamp-offset</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--is-live" title='The "is-live" property'>is-live</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--peer-alloc" title='The "peer-alloc" property'>peer-alloc</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--colorspec" title='The "colorspec" property'>colorspec</a>" <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcColorSpec" title="enum GstVideoTestSrcColorSpec"><span class="type">GstVideoTestSrcColorSpec</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--k0" title='The "k0" property'>k0</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kt" title='The "kt" property'>kt</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kt2" title='The "kt2" property'>kt2</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kx" title='The "kx" property'>kx</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kx2" title='The "kx2" property'>kx2</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kxt" title='The "kxt" property'>kxt</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kxy" title='The "kxy" property'>kxy</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--ky" title='The "ky" property'>ky</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--ky2" title='The "ky2" property'>ky2</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--kyt" title='The "kyt" property'>kyt</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--xoffset" title='The "xoffset" property'>xoffset</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--yoffset" title='The "yoffset" property'>yoffset</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--background-color" title='The "background-color" property'>background-color</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--foreground-color" title='The "foreground-color" property'>foreground-color</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--horizontal-speed" title='The "horizontal-speed" property'>horizontal-speed</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-videotestsrc.description"></a><h2>Description</h2>
<p>
The videotestsrc element is used to produce test video data in a wide variety
of formats. The video test data produced can be controlled with the "pattern"
property.
</p>
<p>
</p>
<div class="refsect2">
<a name="idp6024496"></a><h3>Example launch line</h3>
<div class="informalexample"><pre class="programlisting">
gst-launch -v videotestsrc pattern=snow ! ximagesink
</pre></div> Shows random noise in an X window.
</div>
<p>
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp5405352"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-base-plugins-plugin-videotestsrc.html#plugin-videotestsrc">videotestsrc</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>David A. Schleef <ds@schleef.org></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Source/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp8931784"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</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>video/x-raw-yuv, format=(fourcc)YUY2, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)UYVY, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)YVYU, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)v308, color-matrix=(string){ sdtv, hdtv }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)AYUV, color-matrix=(string){ sdtv, hdtv }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)v210, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)v216, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)UYVP, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)AY64, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)YVU9, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)YUV9, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)YV12, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)I420, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)NV12, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)NV21, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)Y41B, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)Y42B, color-matrix=(string){ sdtv, hdtv }, chroma-site=(string){ mpeg2, jpeg }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)Y444, color-matrix=(string){ sdtv, hdtv }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-yuv, format=(fourcc)Y800, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-gray, bpp=(int)8, depth=(int)8, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-gray, bpp=(int)16, depth=(int)16, endianness=(int)1234, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)32, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)32, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, alpha_mask=(int)-16777216, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)32, red_mask=(int)-16777216, green_mask=(int)16711680, blue_mask=(int)65280, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)32, red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, alpha_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)24, endianness=(int)4321, depth=(int)24, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)24, endianness=(int)4321, depth=(int)24, red_mask=(int)255, green_mask=(int)65280, blue_mask=(int)16711680, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)16, endianness=(int)1234, depth=(int)16, red_mask=(int)63488, green_mask=(int)2016, blue_mask=(int)31, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)16, endianness=(int)1234, depth=(int)15, red_mask=(int)31744, green_mask=(int)992, blue_mask=(int)31, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-rgb, bpp=(int)64, endianness=(int)4321, depth=(int)64, red_mask=(int)16711680, green_mask=(int)65280, blue_mask=(int)255, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-bayer, format=(string)bggr, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-bayer, format=(string)rggb, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-bayer, format=(string)grbg, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw-bayer, format=(string)gbrg, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-videotestsrc.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstVideoTestSrc-struct"></a><h3>struct GstVideoTestSrc</h3>
<pre class="programlisting">struct GstVideoTestSrc;</pre>
<p>
Opaque data structure.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrcPattern"></a><h3>enum GstVideoTestSrcPattern</h3>
<pre class="programlisting">typedef enum {
GST_VIDEO_TEST_SRC_SMPTE,
GST_VIDEO_TEST_SRC_SNOW,
GST_VIDEO_TEST_SRC_BLACK,
GST_VIDEO_TEST_SRC_WHITE,
GST_VIDEO_TEST_SRC_RED,
GST_VIDEO_TEST_SRC_GREEN,
GST_VIDEO_TEST_SRC_BLUE,
GST_VIDEO_TEST_SRC_CHECKERS1,
GST_VIDEO_TEST_SRC_CHECKERS2,
GST_VIDEO_TEST_SRC_CHECKERS4,
GST_VIDEO_TEST_SRC_CHECKERS8,
GST_VIDEO_TEST_SRC_CIRCULAR,
GST_VIDEO_TEST_SRC_BLINK,
GST_VIDEO_TEST_SRC_SMPTE75,
GST_VIDEO_TEST_SRC_ZONE_PLATE,
GST_VIDEO_TEST_SRC_GAMUT,
GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE,
GST_VIDEO_TEST_SRC_SOLID,
GST_VIDEO_TEST_SRC_BALL,
GST_VIDEO_TEST_SRC_SMPTE100,
GST_VIDEO_TEST_SRC_BAR
} GstVideoTestSrcPattern;
</pre>
<p>
The test pattern to produce.
</p>
<p>
The Gamut pattern creates a checkerboard pattern of colors at the
edge of the YCbCr gamut and nearby colors that are out of gamut.
The pattern is divided into 4 regions: black, white, red, and blue.
After conversion to RGB, the out-of-gamut colors should be converted
to the same value as their in-gamut neighbors. If the checkerboard
pattern is still visible after conversion, this indicates a faulty
conversion. Image manipulation, such as adjusting contrast or
brightness, can also cause the pattern to be visible.
</p>
<p>
The Zone Plate pattern is based on BBC R&D Report 1978/23, and can
be used to test spatial frequency response of a system. This
pattern generator is controlled by the xoffset and yoffset parameters
and also by all the parameters starting with 'k'. The default
parameters produce a grey pattern. Try 'videotestsrc
pattern=zone-plate kx2=20 ky2=20 kt=1' to produce something
interesting.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-SMPTE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_SMPTE</code></span></p></td>
<td>A standard SMPTE test pattern
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-SNOW:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_SNOW</code></span></p></td>
<td>Random noise
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BLACK:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BLACK</code></span></p></td>
<td>A black image
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-WHITE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_WHITE</code></span></p></td>
<td>A white image
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-RED:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_RED</code></span></p></td>
<td>A red image
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-GREEN:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_GREEN</code></span></p></td>
<td>A green image
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BLUE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BLUE</code></span></p></td>
<td>A blue image
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CHECKERS1:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS1</code></span></p></td>
<td>Checkers pattern (1px)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CHECKERS2:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS2</code></span></p></td>
<td>Checkers pattern (2px)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CHECKERS4:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS4</code></span></p></td>
<td>Checkers pattern (4px)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CHECKERS8:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS8</code></span></p></td>
<td>Checkers pattern (8px)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CIRCULAR:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CIRCULAR</code></span></p></td>
<td>Circular pattern
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BLINK:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BLINK</code></span></p></td>
<td>Alternate between black and white
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-SMPTE75:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_SMPTE75</code></span></p></td>
<td>SMPTE test pattern (75% color bars)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-ZONE-PLATE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_ZONE_PLATE</code></span></p></td>
<td>Zone plate
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-GAMUT:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_GAMUT</code></span></p></td>
<td>Gamut checking pattern
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-CHROMA-ZONE-PLATE:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE</code></span></p></td>
<td>Chroma zone plate
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-SOLID:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_SOLID</code></span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BALL:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BALL</code></span></p></td>
<td>Moving ball
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-SMPTE100:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_SMPTE100</code></span></p></td>
<td>SMPTE test pattern (100% color bars)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BAR:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BAR</code></span></p></td>
<td>Bar with foreground color
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrcColorSpec"></a><h3>enum GstVideoTestSrcColorSpec</h3>
<pre class="programlisting">typedef enum {
GST_VIDEO_TEST_SRC_BT601,
GST_VIDEO_TEST_SRC_BT709
} GstVideoTestSrcColorSpec;
</pre>
<p>
The color specification to use.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BT601:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BT601</code></span></p></td>
<td>ITU-R Rec. BT.601/BT.470 (SD)
</td>
</tr>
<tr>
<td><p><a name="GST-VIDEO-TEST-SRC-BT709:CAPS"></a><span class="term"><code class="literal">GST_VIDEO_TEST_SRC_BT709</code></span></p></td>
<td>ITU-R Rec. BT.709 (HD)
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-videotestsrc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVideoTestSrc--pattern"></a><h3>The <code class="literal">"pattern"</code> property</h3>
<pre class="programlisting"> "pattern" <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern" title="enum GstVideoTestSrcPattern"><span class="type">GstVideoTestSrcPattern</span></a> : Read / Write</pre>
<p>Type of test pattern to generate.</p>
<p>Default value: SMPTE 100% color bars</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--timestamp-offset"></a><h3>The <code class="literal">"timestamp-offset"</code> property</h3>
<pre class="programlisting"> "timestamp-offset" <span class="type">gint64</span> : Read / Write</pre>
<p>An offset added to timestamps set on buffers (in ns).</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--is-live"></a><h3>The <code class="literal">"is-live"</code> property</h3>
<pre class="programlisting"> "is-live" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Whether to act as a live source.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--peer-alloc"></a><h3>The <code class="literal">"peer-alloc"</code> property</h3>
<pre class="programlisting"> "peer-alloc" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Ask the peer to allocate an output buffer.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--colorspec"></a><h3>The <code class="literal">"colorspec"</code> property</h3>
<pre class="programlisting"> "colorspec" <a class="link" href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcColorSpec" title="enum GstVideoTestSrcColorSpec"><span class="type">GstVideoTestSrcColorSpec</span></a> : Read / Write</pre>
<p>Generate video in the given color specification (Deprecated: use a caps filter with video/x-raw-yuv,color-matrix="sdtv" or "hdtv" instead).</p>
<p>Default value: ITU-R Rec. BT.601</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--k0"></a><h3>The <code class="literal">"k0"</code> property</h3>
<pre class="programlisting"> "k0" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate zero order phase, for generating plain fields or phase offsets.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kt"></a><h3>The <code class="literal">"kt"</code> property</h3>
<pre class="programlisting"> "kt" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 1st order t phase, for generating phase rotation as a function of time.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kt2"></a><h3>The <code class="literal">"kt2"</code> property</h3>
<pre class="programlisting"> "kt2" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 2nd order t phase, t*t/256 cycles per picture.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kx"></a><h3>The <code class="literal">"kx"</code> property</h3>
<pre class="programlisting"> "kx" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 1st order x phase, for generating constant horizontal frequencies.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kx2"></a><h3>The <code class="literal">"kx2"</code> property</h3>
<pre class="programlisting"> "kx2" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 2nd order x phase, normalised to kx2/256 cycles per horizontal pixel at width/2 from origin.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kxt"></a><h3>The <code class="literal">"kxt"</code> property</h3>
<pre class="programlisting"> "kxt" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate x*t product phase, normalised to kxy/256 cycles per vertical pixel at width/2 from origin.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kxy"></a><h3>The <code class="literal">"kxy"</code> property</h3>
<pre class="programlisting"> "kxy" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate x*y product phase.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--ky"></a><h3>The <code class="literal">"ky"</code> property</h3>
<pre class="programlisting"> "ky" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 1st order y phase, for generating contant vertical frequencies.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--ky2"></a><h3>The <code class="literal">"ky2"</code> property</h3>
<pre class="programlisting"> "ky2" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 2nd order y phase, normailsed to ky2/256 cycles per vertical pixel at height/2 from origin.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--kyt"></a><h3>The <code class="literal">"kyt"</code> property</h3>
<pre class="programlisting"> "kyt" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate y*t product phase.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--xoffset"></a><h3>The <code class="literal">"xoffset"</code> property</h3>
<pre class="programlisting"> "xoffset" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 2nd order products x offset.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--yoffset"></a><h3>The <code class="literal">"yoffset"</code> property</h3>
<pre class="programlisting"> "yoffset" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Zoneplate 2nd order products y offset.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--background-color"></a><h3>The <code class="literal">"background-color"</code> property</h3>
<pre class="programlisting"> "background-color" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>
Color to use for background color of some patterns. Default is
black (0xff000000).
</p>
<p>Default value: 4278190080</p>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--foreground-color"></a><h3>The <code class="literal">"foreground-color"</code> property</h3>
<pre class="programlisting"> "foreground-color" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>
Color to use for solid-color pattern and foreground color of other
patterns. Default is white (0xffffffff).
</p>
<p>Default value: 4294967295</p>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVideoTestSrc--horizontal-speed"></a><h3>The <code class="literal">"horizontal-speed"</code> property</h3>
<pre class="programlisting"> "horizontal-speed" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Scroll image number of pixels per frame (positive is scroll to the left).</p>
<p>Default value: 0</p>
</div>
</div>
</div>
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