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<a name="gst-plugins-base-plugins-decodebin"></a><div class="titlepage"></div>
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<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 class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--threaded" title="The “threaded” property">threaded</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin--sink-caps" title="The “sink-caps” property">sink-caps</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-new-decoded-pad" title="The “new-decoded-pad” signal">new-decoded-pad</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-removed-decoded-pad" title="The “removed-decoded-pad” signal">removed-decoded-pad</a></td>
<td class="signal_flags">Run Last</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-unknown-type" title="The “unknown-type” signal">unknown-type</a></td>
<td class="signal_flags">Run Last</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstDecodeBin"></a><div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-struct" title="struct GstDecodeBin">GstDecodeBin</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstBin.html">GstBin</a>
<span class="lineart">╰──</span> 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-0.10/GstChildProxy.html">GstChildProxy</a>.</p>
</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-0.10/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>When using decodebin in your application, connect a signal handler to
<a class="link" href="gst-plugins-base-plugins-decodebin.html#GstDecodeBin-new-decoded-pad" title="The “new-decoded-pad” signal"><span class="type">“new-decoded-pad”</span></a> and connect your sinks from within the
callback function.</p>
<div class="note">
This element is deprecated and no longer supported. You should use the
<span class="type">uridecodebin</span> or <span class="type">decodebin2</span> element instead (or, even better: <span class="type">playbin2</span>).
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.14.9.5.1"></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-decodebin.html#plugin-decodebin">decodebin</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Wim Taymans <wim.taymans@gmail.com></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-1.2.14.9.5.2"></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%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>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.functions_details"></a><h2>Functions</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-decodebin.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstDecodeBin-struct"></a><h3>struct GstDecodeBin</h3>
<pre class="programlisting">struct GstDecodeBin;</pre>
<p>Auto-plugging decoder element 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></pre>
<p>Use threads.</p>
<p>Flags: Read / Write</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-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>The caps of the input data. (NULL = use typefind element).</p>
<p>Flags: Read / Write</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> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> islast,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>This signal gets emitted as soon as a new pad of the same type as one of
the valid 'raw' types is added.</p>
<div class="refsect3">
<a name="id-1.2.14.13.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bin</p></td>
<td class="parameter_description"><p>The decodebin</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>The newly created pad</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>islast</p></td>
<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if this is the last pad to be added. Deprecated.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</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> *bin,
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>This signal is emitted when a 'final' caps pad has been removed.</p>
<div class="refsect3">
<a name="id-1.2.14.13.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bin</p></td>
<td class="parameter_description"><p>The decodebin</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>The pad that was removed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</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-0.10/GstPad.html"><span class="type">GstPad</span></a> *pad,
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/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)</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="refsect3">
<a name="id-1.2.14.13.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bin</p></td>
<td class="parameter_description"><p>The decodebin</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>The new pad containing caps that cannot be resolved to a 'final'
stream type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>caps</p></td>
<td class="parameter_description"><p>The <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> of the pad that cannot be resolved.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
</div>
</div>
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