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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2619508" class="shortcut">Top</a>
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<a href="#id2617611" class="shortcut">Description</a>
 | 
<a href="#id2607061" class="shortcut">Object Hierarchy</a>
 | 
<a href="#id2596499" class="shortcut">Properties</a></nobr></td></tr>
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<div class="refentry" lang="en">
<a name="gst-plugins-base-plugins-videotestsrc"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2>
<a name="id2619508"></a><span class="refentrytitle">videotestsrc</span>
</h2>
<p>videotestsrc — Creates a test video stream</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<a name="GstVideoTestSrc"></a><pre class="synopsis">
<a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc-struct">GstVideoTestSrc</a>;
enum <a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern">GstVideoTestSrcPattern</a>;
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2607061"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GstObject
+----GstElement
+----GstBaseSrc
+----GstPushSrc
+----GstVideoTestSrc
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2596499"></a><h2>Properties</h2>
<pre class="synopsis">
"<a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--pattern">pattern</a>" <a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern">GstVideoTestSrcPattern</a> : Read / Write
"<a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--timestamp-offset">timestamp-offset</a>" gint64 : Read / Write
"<a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrc--is-live">is-live</a>" gboolean : Read / Write
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2617611"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2" lang="en">
<a name="id2617624"></a><p>
The videotestsrc element is used to produce test video data in a wide variaty
of formats. The video test data produced can be controlled with the "pattern"
property.
</p>
<h3>Example launch line</h3>
<p>
</p>
<pre class="programlisting">
gst-launch -v videotestsrc pattern=snow ! ximagesink
</pre>
<p>
Shows random noise in an X window.
</p>
</div>
<div class="refsect2" lang="en">
<a name="id2617649"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term">plugin</span></td>
<td>
<a href="gst-plugins-base-plugins-plugin-videotestsrc.html#plugin-videotestsrc">videotestsrc</a>
</td>
</tr>
<tr>
<td><span class="term">author</span></td>
<td>David A. Schleef <ds@schleef.org></td>
</tr>
<tr>
<td><span class="term">class</span></td>
<td>Source/Video</td>
</tr>
</tbody>
</table></div>
<h3>Element Pads</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term">name</span></td>
<td>src</td>
</tr>
<tr>
<td><span class="term">direction</span></td>
<td>source</td>
</tr>
<tr>
<td><span class="term">presence</span></td>
<td>always</td>
</tr>
<tr>
<td><span class="term">details</span></td>
<td>video/x-raw-yuv, format=(fourcc)YUY2, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)UYVY, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)Y422, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)UYNV, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)YVYU, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)AYUV, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)IYU2, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)YVU9, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)YUV9, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)YV12, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)Y41B, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)Y42B, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw-yuv, format=(fourcc)Y800, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; 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 ]; video/x-raw-bayer, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
</tbody>
</table></div>
</div>
<p>
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2619651"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id2619661"></a><h3>
<a name="GstVideoTestSrc-struct"></a>GstVideoTestSrc</h3>
<a class="indexterm" name="id2619673"></a><pre class="programlisting">typedef struct _GstVideoTestSrc GstVideoTestSrc;</pre>
<p>
Opaque data structure.</p>
<p>
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614762"></a><h3>
<a name="GstVideoTestSrcPattern"></a>enum GstVideoTestSrcPattern</h3>
<a class="indexterm" name="id2614774"></a><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
} GstVideoTestSrcPattern;
</pre>
<p>
The test pattern to produce.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-SMPTE:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_SMPTE</code></span></td>
<td> A standard SMPTE test pattern
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-SNOW:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_SNOW</code></span></td>
<td> Random noise
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-BLACK:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_BLACK</code></span></td>
<td> A black image
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-WHITE:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_WHITE</code></span></td>
<td> A white image
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-RED:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_RED</code></span></td>
<td> A red image
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-GREEN:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_GREEN</code></span></td>
<td> A green image
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-BLUE:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_BLUE</code></span></td>
<td> A blue image
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-CHECKERS1:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS1</code></span></td>
<td> Checkers pattern (1px)
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-CHECKERS2:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS2</code></span></td>
<td> Checkers pattern (2px)
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-CHECKERS4:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS4</code></span></td>
<td> Checkers pattern (4px)
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-CHECKERS8:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_CHECKERS8</code></span></td>
<td> Checkers pattern (8px)
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-CIRCULAR:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_CIRCULAR</code></span></td>
<td> Circular pattern
</td>
</tr>
<tr>
<td><span class="term"><a name="GST-VIDEO-TEST-SRC-BLINK:CAPS"></a><code class="literal">GST_VIDEO_TEST_SRC_BLINK</code></span></td>
<td> Alternate between black and white
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id2614269"></a><h2>Property Details</h2>
<div class="refsect2" lang="en">
<a name="id2614280"></a><h3>
<a name="GstVideoTestSrc--pattern"></a>The "<code class="literal">pattern</code>" property</h3>
<a class="indexterm" name="id2614294"></a><pre class="programlisting"> "pattern" <a href="gst-plugins-base-plugins-videotestsrc.html#GstVideoTestSrcPattern">GstVideoTestSrcPattern</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" lang="en">
<a name="id2614319"></a><h3>
<a name="GstVideoTestSrc--timestamp-offset"></a>The "<code class="literal">timestamp-offset</code>" property</h3>
<a class="indexterm" name="id2614335"></a><pre class="programlisting"> "timestamp-offset" gint64 : 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" lang="en">
<a name="id2614362"></a><h3>
<a name="GstVideoTestSrc--is-live"></a>The "<code class="literal">is-live</code>" property</h3>
<a class="indexterm" name="id2614376"></a><pre class="programlisting"> "is-live" gboolean : Read / Write</pre>
<p>Whether to act as a live source.</p>
<p>Default value: FALSE</p>
</div>
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