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<a href="#gst-plugins-base-plugins-decodebin.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-base-plugins-decodebin.description" class="shortcut">Description</a>
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<a href="#gst-plugins-base-plugins-decodebin.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#gst-plugins-base-plugins-decodebin.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<a href="#gst-plugins-base-plugins-decodebin.properties" class="shortcut">Properties</a>
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<a href="#gst-plugins-base-plugins-decodebin.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="gst-plugins-base-plugins-decodebin"></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-decodebin.top_of_page"></a>decodebin</span></h2>
<p>decodebin — Autoplug and decode to raw media</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-base-plugins-decodebin.synopsis"></a><h2>Synopsis</h2>
<a name="GstDecodeBin"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-struct" title="struct GstDecodeBin">GstDecodeBin</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.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/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html">GstObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html">GstElement</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBin.html">GstBin</a>
+----GstDecodeBin
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstDecodeBin implements
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstChildProxy.html">GstChildProxy</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--threaded" title='The "threaded" property'>threaded</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-decodebin.html#GstDecodeBin--sink-caps" title='The "sink-caps" property'>sink-caps</a>" <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--caps" title='The "caps" property'>caps</a>" <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--expose-all-streams" title='The "expose-all-streams" property'>expose-all-streams</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-decodebin.html#GstDecodeBin--high-percent" title='The "high-percent" property'>high-percent</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-decodebin.html#GstDecodeBin--low-percent" title='The "low-percent" property'>low-percent</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-decodebin.html#GstDecodeBin--max-size-buffers" title='The "max-size-buffers" property'>max-size-buffers</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-decodebin.html#GstDecodeBin--max-size-bytes" title='The "max-size-bytes" property'>max-size-bytes</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-decodebin.html#GstDecodeBin--max-size-time" title='The "max-size-time" property'>max-size-time</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--post-stream-topology" title='The "post-stream-topology" property'>post-stream-topology</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-decodebin.html#GstDecodeBin--subtitle-encoding" title='The "subtitle-encoding" property'>subtitle-encoding</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--use-buffering" title='The "use-buffering" property'>use-buffering</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-decodebin.html#GstDecodeBin--connection-speed" title='The "connection-speed" property'>connection-speed</a>" <span class="type">guint64</span> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-new-decoded-pad" title='The "new-decoded-pad" signal'>new-decoded-pad</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-removed-decoded-pad" title='The "removed-decoded-pad" signal'>removed-decoded-pad</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-unknown-type" title='The "unknown-type" signal'>unknown-type</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-autoplug-continue" title='The "autoplug-continue" signal'>autoplug-continue</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-autoplug-factories" title='The "autoplug-factories" signal'>autoplug-factories</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-autoplug-select" title='The "autoplug-select" signal'>autoplug-select</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-autoplug-sort" title='The "autoplug-sort" signal'>autoplug-sort</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-drained" title='The "drained" signal'>drained</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-autoplug-query" title='The "autoplug-query" signal'>autoplug-query</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.description"></a><h2>Description</h2>
<p>
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBin.html"><span class="type">GstBin</span></a> that auto-magically constructs a decoding pipeline using available
decoders and demuxers via auto-plugging.
</p>
<p>
decodebin is considered stable now and replaces the old <span class="type">decodebin</span> element.
<span class="type">uridecodebin</span> uses decodebin internally and is often more convenient to
use, as it creates a suitable source element as well.
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.13.8.4.1"></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-base-plugins-plugin-playback.html#plugin-playback">playback</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Edward Hervey <edward.hervey@collabora.co.uk>, Sebastian Dröge <sebastian.droege@collabora.co.uk></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Generic/Bin/Decoder</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.13.8.4.2"></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>ANY</td>
</tr>
</tbody>
</table></div>
<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>src_%u</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>sometimes</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="gst-plugins-base-plugins-decodebin.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstDecodeBin-struct"></a><h3>struct GstDecodeBin</h3>
<pre class="programlisting">struct GstDecodeBin;</pre>
<p>
The opaque <a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> data structure
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstDecodeBin--threaded"></a><h3>The <code class="literal">"threaded"</code> property</h3>
<pre class="programlisting"> "threaded" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Use threads.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--sink-caps"></a><h3>The <code class="literal">"sink-caps"</code> property</h3>
<pre class="programlisting"> "sink-caps" <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write</pre>
<p>The caps of the input data. (NULL = use typefind element).</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--caps"></a><h3>The <code class="literal">"caps"</code> property</h3>
<pre class="programlisting"> "caps" <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>* : Read / Write</pre>
<p>The caps on which to stop decoding.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--expose-all-streams"></a><h3>The <code class="literal">"expose-all-streams"</code> property</h3>
<pre class="programlisting"> "expose-all-streams" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Expose all streams, including those of unknown type or that don't match the 'caps' property.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--high-percent"></a><h3>The <code class="literal">"high-percent"</code> property</h3>
<pre class="programlisting"> "high-percent" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>
High threshold percent for buffering to finish.
</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 99</p>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--low-percent"></a><h3>The <code class="literal">"low-percent"</code> property</h3>
<pre class="programlisting"> "low-percent" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>
Low threshold percent for buffering to start.
</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 10</p>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--max-size-buffers"></a><h3>The <code class="literal">"max-size-buffers"</code> property</h3>
<pre class="programlisting"> "max-size-buffers" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>
Max amount of buffers in the queue (0=automatic).
</p>
<p>Default value: 0</p>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--max-size-bytes"></a><h3>The <code class="literal">"max-size-bytes"</code> property</h3>
<pre class="programlisting"> "max-size-bytes" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>
Max amount of bytes in the queue (0=automatic).
</p>
<p>Default value: 0</p>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--max-size-time"></a><h3>The <code class="literal">"max-size-time"</code> property</h3>
<pre class="programlisting"> "max-size-time" <span class="type">guint64</span> : Read / Write</pre>
<p>
Max amount of time in the queue (in ns, 0=automatic).
</p>
<p>Default value: 0</p>
<p class="since">Since 0.10.26</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--post-stream-topology"></a><h3>The <code class="literal">"post-stream-topology"</code> property</h3>
<pre class="programlisting"> "post-stream-topology" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Post stream-topology messages.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--subtitle-encoding"></a><h3>The <code class="literal">"subtitle-encoding"</code> property</h3>
<pre class="programlisting"> "subtitle-encoding" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Encoding to assume if input subtitles are not in UTF-8 encoding. If not set, the GST_SUBTITLE_ENCODING environment variable will be checked for an encoding to use. If that is not set either, ISO-8859-15 will be assumed.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--use-buffering"></a><h3>The <code class="literal">"use-buffering"</code> property</h3>
<pre class="programlisting"> "use-buffering" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Emit GST_MESSAGE_BUFFERING based on low-/high-percent thresholds.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin--connection-speed"></a><h3>The <code class="literal">"connection-speed"</code> property</h3>
<pre class="programlisting"> "connection-speed" <span class="type">guint64</span> : Read / Write</pre>
<p>Network connection speed in kbps (0 = unknown).</p>
<p>Allowed values: <= 18446744073709551</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstDecodeBin-new-decoded-pad"></a><h3>The <code class="literal">"new-decoded-pad"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *gstdecodebin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *arg1,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> arg2,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstdecodebin</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-removed-decoded-pad"></a><h3>The <code class="literal">"removed-decoded-pad"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *gstdecodebin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *arg1,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gstdecodebin</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-unknown-type"></a><h3>The <code class="literal">"unknown-type"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted when a pad for which there is no further possible
decoding is added to the decodebin.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The new pad containing caps that cannot be resolved to a 'final'
stream type.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> of the pad that cannot be resolved.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-autoplug-continue"></a><h3>The <code class="literal">"autoplug-continue"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted whenever decodebin finds a new stream. It is
emitted before looking for any elements that can handle that stream.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
Invocation of signal handlers stops after the first signal handler
returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a>. Signal handlers are invoked in the order they were
connected in.
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> found.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if you wish decodebin to look for elements that can
handle the given <em class="parameter"><code>caps</code></em>. If <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a>, those caps will be considered as
final and the pad will be exposed as such (see 'pad-added' signal of
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a>).</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-autoplug-factories"></a><h3>The <code class="literal">"autoplug-factories"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gobject/gobject-Value-arrays.html#GValueArray"><span class="returnvalue">GValueArray</span></a>* user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This function is emited when an array of possible factories for <em class="parameter"><code>caps</code></em> on
<em class="parameter"><code>pad</code></em> is needed. Decodebin will by default return an array with all
compatible factories, sorted by rank.
</p>
<p>
If this function returns NULL, <em class="parameter"><code>pad</code></em> will be exposed as a final caps.
</p>
<p>
If this function returns an empty array, the pad will be considered as
having an unhandled type media type.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
Only the signal handler that is connected first will ever by invoked.
Don't connect signal handlers with the <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-CONNECT-AFTER:CAPS"><span class="type">G_CONNECT_AFTER</span></a> flag to this
signal, they will never be invoked!
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> found.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gobject/gobject-Value-arrays.html#GValueArray"><span class="type">GValueArray</span></a>* with a list of factories to try. The factories are
by default tried in the returned order or based on the index returned by
"autoplug-select".</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-autoplug-select"></a><h3>The <code class="literal">"autoplug-select"</code> signal</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-base-plugins-uridecodebin.html#GstAutoplugSelectResult" title="enum GstAutoplugSelectResult"><span class="returnvalue">GstAutoplugSelectResult</span></a>user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> *factory,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted once decodebin has found all the possible
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> that can be used to handle the given <em class="parameter"><code>caps</code></em>. For each of
those factories, this signal is emitted.
</p>
<p>
The signal handler should return a <span class="type">GST_TYPE_AUTOPLUG_SELECT_RESULT</span> enum
value indicating what decodebin should do next.
</p>
<p>
A value of <a class="link" href="gst-plugins-base-plugins-uridecodebin.html#GST-AUTOPLUG-SELECT-TRY:CAPS"><span class="type">GST_AUTOPLUG_SELECT_TRY</span></a> will try to autoplug an element from
<em class="parameter"><code>factory</code></em>.
</p>
<p>
A value of <a class="link" href="gst-plugins-base-plugins-uridecodebin.html#GST-AUTOPLUG-SELECT-EXPOSE:CAPS"><span class="type">GST_AUTOPLUG_SELECT_EXPOSE</span></a> will expose <em class="parameter"><code>pad</code></em> without plugging
any element to it.
</p>
<p>
A value of <a class="link" href="gst-plugins-base-plugins-uridecodebin.html#GST-AUTOPLUG-SELECT-SKIP:CAPS"><span class="type">GST_AUTOPLUG_SELECT_SKIP</span></a> will skip <em class="parameter"><code>factory</code></em> and move to the
next factory.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
Only the signal handler that is connected first will ever by invoked.
Don't connect signal handlers with the <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-CONNECT-AFTER:CAPS"><span class="type">G_CONNECT_AFTER</span></a> flag to this
signal, they will never be invoked!
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>factory</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> to use.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <span class="type">GST_TYPE_AUTOPLUG_SELECT_RESULT</span> that indicates the required
operation. the default handler will always return
<a class="link" href="gst-plugins-base-plugins-uridecodebin.html#GST-AUTOPLUG-SELECT-TRY:CAPS"><span class="type">GST_AUTOPLUG_SELECT_TRY</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-autoplug-sort"></a><h3>The <code class="literal">"autoplug-sort"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gobject/gobject-Value-arrays.html#GValueArray"><span class="returnvalue">GValueArray</span></a>* user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *caps,
<a href="/usr/share/gtk-doc/html/gobject/gobject-Value-arrays.html#GValueArray"><span class="type">GValueArray</span></a> *factories,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Once decodebin has found the possible <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> objects to try
for <em class="parameter"><code>caps</code></em> on <em class="parameter"><code>pad</code></em>, this signal is emited. The purpose of the signal is for
the application to perform additional sorting or filtering on the element
factory array.
</p>
<p>
The callee should copy and modify <em class="parameter"><code>factories</code></em> or return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a> if the
order should not change.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
Invocation of signal handlers stops after one signal handler has
returned something else than <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a>. Signal handlers are invoked in
the order they were connected in.
Don't connect signal handlers with the <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-CONNECT-AFTER:CAPS"><span class="type">G_CONNECT_AFTER</span></a> flag to this
signal, they will never be invoked!
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>caps</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>factories</code></em> :</span></p></td>
<td>A <a href="/usr/share/gtk-doc/html/gobject/gobject-Value-arrays.html#GValueArray"><span class="type">GValueArray</span></a> of possible <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> to use.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new sorted array of <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElementFactory.html"><span class="type">GstElementFactory</span></a> objects.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-drained"></a><h3>The <code class="literal">"drained"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted once decodebin has finished decoding all the data.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.16</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDecodeBin-autoplug-query"></a><h3>The <code class="literal">"autoplug-query"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> user_function (<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin"><span class="type">GstDecodeBin</span></a> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a> *child,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html"><span class="type">GstElement</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstQuery.html#GstQuery"><span class="type">GstQuery</span></a> *query,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted whenever an autoplugged element that is
not linked downstream yet and not exposed does a query. It can
be used to tell the element about the downstream supported caps
for example.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bin</code></em> :</span></p></td>
<td>The decodebin.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em> :</span></p></td>
<td>The child element doing the query</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html"><span class="type">GstPad</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>query</code></em> :</span></p></td>
<td>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstQuery.html#GstQuery"><span class="type">GstQuery</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the query was handled, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a> otherwise.</td>
</tr>
</tbody>
</table></div>
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