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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>tee</title>
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<tr valign="middle">
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<th width="100%" align="center">GStreamer Core Plugins 0.10 Plugins Reference Manual</th>
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</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#gstreamer-plugins-tee.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#gstreamer-plugins-tee.description" class="shortcut">Description</a>
                   | 
                  <a href="#gstreamer-plugins-tee.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#gstreamer-plugins-tee.properties" class="shortcut">Properties</a>
</td></tr>
</table>
<div class="refentry">
<a name="gstreamer-plugins-tee"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gstreamer-plugins-tee.top_of_page"></a>tee</span></h2>
<p>tee — 1-to-N pipe fitting</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gstreamer-plugins-tee.synopsis"></a><h2>Synopsis</h2>
<a name="GstTee"></a><pre class="synopsis">struct              <a class="link" href="gstreamer-plugins-tee.html#GstTee-struct" title="struct GstTee">GstTee</a>;
enum                <a class="link" href="gstreamer-plugins-tee.html#GstTeePullMode" title="enum GstTeePullMode">GstTeePullMode</a>;
</pre>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.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="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
         +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
               +----GstTee
</pre>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--has-chain" title='The "has-chain" property'>has-chain</a>"                <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--has-sink-loop" title='The "has-sink-loop" property'>has-sink-loop</a>"            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--last-message" title='The "last-message" property'>last-message</a>"             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--num-src-pads" title='The "num-src-pads" property'>num-src-pads</a>"             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--silent" title='The "silent" property'>silent</a>"                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--pull-mode" title='The "pull-mode" property'>pull-mode</a>"                <a class="link" href="gstreamer-plugins-tee.html#GstTeePullMode" title="enum GstTeePullMode"><span class="type">GstTeePullMode</span></a>        : Read / Write / Construct
  "<a class="link" href="gstreamer-plugins-tee.html#GstTee--alloc-pad" title='The "alloc-pad" property'>alloc-pad</a>"                <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a>*               : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.description"></a><h2>Description</h2>
<p>
Split data to multiple pads. Branching the data flow is useful when e.g.
capturing a video where the video is shown on the screen and also encoded and
written to a file. Another example is playing music and hooking up a
visualisation module.
</p>
<p>
One needs to use separate queue elements (or a multiqueue) in each branch to
provide separate threads for each branch. Otherwise a blocked dataflow in one
branch would stall the other branches.
</p>
<p>
</p>
<div class="refsect2">
<a name="idp7296624"></a><h3>Example launch line</h3>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1</pre></td>
        <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch filesrc location<span class="gtkdoc opt">=</span>song<span class="gtkdoc opt">.</span>ogg <span class="gtkdoc opt">!</span> decodebin2 <span class="gtkdoc opt">!</span> tee name<span class="gtkdoc opt">=</span>t <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> autoaudiosink t<span class="gtkdoc opt">. !</span> queue <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> goom <span class="gtkdoc opt">!</span> ffmpegcolorspace <span class="gtkdoc opt">!</span> autovideosink</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 Play a song.ogg from local dir and render visualisations using the goom
element.
</div>
<p>
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp11058304"></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="gstreamer-plugins-plugin-coreelements.html#plugin-coreelements">coreelements</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Erik Walthinsen &lt;omega@cse.ogi.edu&gt;, Wim Taymans &lt;wim@fluendo.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Generic</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp11065712"></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>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>ANY</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%d</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>request</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>ANY</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstTee-struct"></a><h3>struct GstTee</h3>
<pre class="programlisting">struct GstTee;</pre>
<p>
Opaque <a class="link" href="gstreamer-plugins-tee.html#GstTee"><span class="type">GstTee</span></a> data structure.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTeePullMode"></a><h3>enum GstTeePullMode</h3>
<pre class="programlisting">typedef enum {
  GST_TEE_PULL_MODE_NEVER,
  GST_TEE_PULL_MODE_SINGLE,
} GstTeePullMode;
</pre>
<p>
The different ways that tee can behave in pull mode. <em class="parameter"><code>TEE_PULL_MODE_NEVER</code></em>
disables pull mode.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-TEE-PULL-MODE-NEVER:CAPS"></a><span class="term"><code class="literal">GST_TEE_PULL_MODE_NEVER</code></span></p></td>
<td>Never activate in pull mode.
</td>
</tr>
<tr>
<td><p><a name="GST-TEE-PULL-MODE-SINGLE:CAPS"></a><span class="term"><code class="literal">GST_TEE_PULL_MODE_SINGLE</code></span></p></td>
<td>Only one src pad can be active in pull mode.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstTee--has-chain"></a><h3>The <code class="literal">"has-chain"</code> property</h3>
<pre class="programlisting">  "has-chain"                <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct</pre>
<p>If the element can operate in push mode.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--has-sink-loop"></a><h3>The <code class="literal">"has-sink-loop"</code> property</h3>
<pre class="programlisting">  "has-sink-loop"            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct</pre>
<p>If the element should spawn a thread (unimplemented and deprecated).</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--last-message"></a><h3>The <code class="literal">"last-message"</code> property</h3>
<pre class="programlisting">  "last-message"             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>*                : Read</pre>
<p>The message describing current status.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--num-src-pads"></a><h3>The <code class="literal">"num-src-pads"</code> property</h3>
<pre class="programlisting">  "num-src-pads"             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read</pre>
<p>The number of source pads.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--silent"></a><h3>The <code class="literal">"silent"</code> property</h3>
<pre class="programlisting">  "silent"                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write / Construct</pre>
<p>Don't produce last_message events.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--pull-mode"></a><h3>The <code class="literal">"pull-mode"</code> property</h3>
<pre class="programlisting">  "pull-mode"                <a class="link" href="gstreamer-plugins-tee.html#GstTeePullMode" title="enum GstTeePullMode"><span class="type">GstTeePullMode</span></a>        : Read / Write / Construct</pre>
<p>Behavior of tee in pull mode.</p>
<p>Default value: Never activate in pull mode</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTee--alloc-pad"></a><h3>The <code class="literal">"alloc-pad"</code> property</h3>
<pre class="programlisting">  "alloc-pad"                <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a>*               : Read / Write</pre>
<p>The pad used for gst_pad_alloc_buffer.</p>
</div>
</div>
<div class="refsect1">
<a name="gstreamer-plugins-tee.see-also"></a><h2>See Also</h2>
<a class="link" href="gstreamer-plugins-identity.html#GstIdentity"><span class="type">GstIdentity</span></a>
</div>
</div>
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