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<a href="#gst-plugins-good-plugins-smpte.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-good-plugins-smpte.description" class="shortcut">Description</a>
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<a href="#gst-plugins-good-plugins-smpte.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#gst-plugins-good-plugins-smpte.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="gst-plugins-good-plugins-smpte"></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-smpte.top_of_page"></a>smpte</span></h2>
<p>smpte — Apply the standard SMPTE transitions on video images</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-good-plugins-smpte.synopsis"></a><h2>Synopsis</h2>
<a name="GstSMPTE"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE-struct" title="struct GstSMPTE">GstSMPTE</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-smpte.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>
+----GstSMPTE
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-smpte.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--border" title='The "border" property'>border</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-good-plugins-smpte.html#GstSMPTE--depth" title='The "depth" property'>depth</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-good-plugins-smpte.html#GstSMPTE--fps" title='The "fps" property'>fps</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--type" title='The "type" property'>type</a>" <span class="type">GstSMPTETransitionType</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--duration" title='The "duration" property'>duration</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-smpte.html#GstSMPTE--invert" title='The "invert" property'>invert</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-smpte.description"></a><h2>Description</h2>
<p>
smpte can accept I420 video streams with the same width, height and
framerate. The two incomming buffers are blended together using an effect
specific alpha mask.
</p>
<p>
The <span class="type">"depth"</span> property defines the presision in bits of the mask. A
higher presision will create a mask with smoother gradients in order to avoid
banding.
</p>
<p>
</p>
<div class="refsect2">
<a name="idp7658944"></a><h3>Sample pipelines</h3>
<div class="informalexample"><pre class="programlisting">
gst-launch -v videotestsrc pattern=1 ! smpte name=s border=20000 type=234 duration=2000000000 ! ffmpegcolorspace ! ximagesink videotestsrc ! s.
</pre></div> A pipeline to demonstrate the smpte transition.
It shows a pinwheel transition a from a snow videotestsrc to an smpte
pattern videotestsrc. The transition will take 2 seconds to complete. The
edges of the transition are smoothed with a 20000 big border.
</div>
<p>
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp4336688"></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-good-plugins-plugin-smpte.html#plugin-smpte">smpte</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Wim Taymans <wim.taymans@chello.be></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Editor/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp11154776"></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>sink1</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>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink2</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>video/x-raw-yuv, format=(fourcc)I420, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
</tr>
</tbody>
</table></div>
<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)I420, 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-good-plugins-smpte.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstSMPTE-struct"></a><h3>struct GstSMPTE</h3>
<pre class="programlisting">struct GstSMPTE;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-smpte.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstSMPTE--border"></a><h3>The <code class="literal">"border"</code> property</h3>
<pre class="programlisting"> "border" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>The border width of the transition.</p>
<p>Allowed values: >= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstSMPTE--depth"></a><h3>The <code class="literal">"depth"</code> property</h3>
<pre class="programlisting"> "depth" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Depth of the mask in bits.</p>
<p>Allowed values: [1,24]</p>
<p>Default value: 16</p>
</div>
<hr>
<div class="refsect2">
<a name="GstSMPTE--fps"></a><h3>The <code class="literal">"fps"</code> property</h3>
<pre class="programlisting"> "fps" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write</pre>
<p>Frames per second if no input files are given (deprecated).</p>
<p>Allowed values: >= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstSMPTE--type"></a><h3>The <code class="literal">"type"</code> property</h3>
<pre class="programlisting"> "type" <span class="type">GstSMPTETransitionType</span> : Read / Write</pre>
<p>The type of transition to use.</p>
<p>Default value: A bar moves from left to right</p>
</div>
<hr>
<div class="refsect2">
<a name="GstSMPTE--duration"></a><h3>The <code class="literal">"duration"</code> property</h3>
<pre class="programlisting"> "duration" <span class="type">guint64</span> : Read / Write</pre>
<p>Duration of the transition effect in nanoseconds.</p>
<p>Default value: 1000000000</p>
</div>
<hr>
<div class="refsect2">
<a name="GstSMPTE--invert"></a><h3>The <code class="literal">"invert"</code> property</h3>
<pre class="programlisting"> "invert" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Invert transition mask.</p>
<p>Default value: FALSE</p>
</div>
</div>
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