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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>GStreamer Bad Plugins 0.10 Plugins Reference Manual: camerabin2</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GStreamer Bad Plugins 0.10 Plugins Reference Manual">
<link rel="up" href="ch01.html" title="gst-plugins-bad Elements">
<link rel="prev" href="gst-plugins-bad-plugins-camerabin.html" title="camerabin">
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<meta name="generator" content="GTK-Doc V1.20 (XML mode)">
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</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="10"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-camerabin2.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-camerabin2.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-camerabin2.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-camerabin2.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-plugins-camerabin2.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="gst-plugins-bad-plugins-camerabin.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="gst-plugins-bad-plugins-celtdec.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-plugins-camerabin2"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-camerabin2.top_of_page"></a>camerabin2</span></h2>
<p>camerabin2 — CameraBin2</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.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/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-capture-caps" title="The “audio-capture-caps” property">audio-capture-caps</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-bad-plugins-camerabin2.html#GstCameraBin2--audio-capture-supported-caps" title="The “audio-capture-supported-caps” property">audio-capture-supported-caps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-src" title="The “audio-src” property">audio-src</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--camera-src" title="The “camera-src” property">camera-src</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<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-bad-plugins-camerabin2.html#GstCameraBin2--idle" title="The “idle” property">idle</a></td>
<td class="property_flags">Read</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-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-caps" title="The “image-capture-caps” property">image-capture-caps</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-encoder" title="The “image-capture-encoder” property">image-capture-encoder</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-muxer" title="The “image-capture-muxer” property">image-capture-muxer</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-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-supported-caps" title="The “image-capture-supported-caps” property">image-capture-supported-caps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-filter" title="The “image-filter” property">image-filter</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--location" title="The “location” property">location</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--max-zoom" title="The “max-zoom” property">max-zoom</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstCameraBin2Mode</span></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--mode" title="The “mode” property">mode</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<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-bad-plugins-camerabin2.html#GstCameraBin2--mute" title="The “mute” property">mute</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<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-bad-plugins-camerabin2.html#GstCameraBin2--post-previews" title="The “post-previews” property">post-previews</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-bad-plugins-camerabin2.html#GstCameraBin2--preview-caps" title="The “preview-caps” property">preview-caps</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--preview-filter" title="The “preview-filter” property">preview-filter</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-bad-plugins-camerabin2.html#GstCameraBin2--video-capture-caps" title="The “video-capture-caps” property">video-capture-caps</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-bad-plugins-camerabin2.html#GstCameraBin2--video-capture-supported-caps" title="The “video-capture-supported-caps” property">video-capture-supported-caps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-filter" title="The “video-filter” property">video-filter</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-profile" title="The “video-profile” property">video-profile</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-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-caps" title="The “viewfinder-caps” property">viewfinder-caps</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-filter" title="The “viewfinder-filter” property">viewfinder-filter</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-sink" title="The “viewfinder-sink” property">viewfinder-sink</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-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-supported-caps" title="The “viewfinder-supported-caps” property">viewfinder-supported-caps</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--zoom" title="The “zoom” property">zoom</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-profile" title="The “image-profile” property">image-profile</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-source" title="The “audio-source” property">audio-source</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--camera-source" title="The “camera-source” property">camera-source</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/GstElement.html"><span class="type">GstElement</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-filter" title="The “audio-filter” property">audio-filter</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstCamFlags</span></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--flags" title="The “flags” property">flags</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.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-bad-plugins-camerabin2.html#GstCameraBin2-start-capture" title="The “start-capture” signal">start-capture</a></td>
<td class="signal_flags">Action</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2-stop-capture" title="The “stop-capture” signal">stop-capture</a></td>
<td class="signal_flags">Action</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstCameraBin2"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.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-bad-plugins-camerabin2.html#GstCameraBin2-struct" title="struct GstCameraBin2">GstCameraBin2</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.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> <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPipeline.html">GstPipeline</a>
                    <span class="lineart">╰──</span> GstCameraBin2
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstCameraBin2 implements
 <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstChildProxy.html">GstChildProxy</a> and  <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstTagSetter.html">GstTagSetter</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.description"></a><h2>Description</h2>
<p>CameraBin2 is a high-level camera object that encapsulates gstreamer
elements, providing an API for controlling a digital camera.</p>
<div class="note">
Note that camerabin2 is still UNSTABLE and under
development.
</div>
<p>CameraBin2 has the following main features:</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
Record videos
</li>
<li class="listitem">
Capture pictures
</li>
<li class="listitem">
Display a viewfinder
</li>
<li class="listitem">
Post preview images for each capture (video and image)
</li>
</ul></div>
<div class="refsect2">
<a name="id-1.2.9.9.6"></a><h3>Usage</h3>
<p>
Camerabin2 can be created using <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElementFactory.html#gst-element-factory-make"><code class="function">gst_element_factory_make()</code></a> just like
any other element. Video or image capture mode can be selected using
the <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--mode" title="The “mode” property"><span class="type">“mode”</span></a> property and the file to save the capture is
selected using <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--location" title="The “location” property"><span class="type">“location”</span></a> property.

After creating camerabin2, applications might want to do some
customization (there's a section about this below), then select
the desired mode and start capturing.

In image capture mode, just send a <span class="type">“start-capture”</span> and a
picture will be captured. When the picture is stored on the selected
location, a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstMessage.html#GST-MESSAGE-ELEMENT:CAPS"><code class="literal">GST_MESSAGE_ELEMENT</code></a> named 'image-done' will be posted on
the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstBus.html"><span class="type">GstBus</span></a>.

In video capture mode, send a <span class="type">“start-capture”</span> to start
recording, then send a <span class="type">“stop-capture”</span> to stop recording.
Note that both signals are asynchronous, so, calling
<span class="type">“stop-capture”</span> doesn't guarantee that the video has been
properly finished yet. Applications should wait for the 'video-done'
message to be posted on the bus.

In both modes, if <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--post-previews" title="The “post-previews” property"><span class="type">“post-previews”</span></a> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
will be post to the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstBus.html"><span class="type">GstBus</span></a> in a field named 'buffer', in a
'preview-image' message of type <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstMessage.html#GST-MESSAGE-ELEMENT:CAPS"><code class="literal">GST_MESSAGE_ELEMENT</code></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.9.9.7"></a><h3>Customization</h3>
<p>
Camerabin2 provides various customization properties, allowing the user
to set custom filters, selecting the viewfinder sink and formats to
use to encode the captured images/videos.

<a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a>s are used to tell camerabin2 which formats it
should encode the captures to, those should be set to
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-profile" title="The “image-profile” property"><span class="type">“image-profile”</span></a> and <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-profile" title="The “video-profile” property"><span class="type">“video-profile”</span></a>. Default is
jpeg for images, and ogg (theora and vorbis) for video. If a profile without
an audio stream is set for video, audio will be disabled on recordings.

<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--preview-caps" title="The “preview-caps” property"><span class="type">“preview-caps”</span></a> can be used to select which format preview
images should be posted on the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstBus.html"><span class="type">GstBus</span></a>. It has to be a raw video format.

Camerabin2 has a <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--camera-source" title="The “camera-source” property"><span class="type">“camera-source”</span></a> property so applications can
set their source that will provide buffers for the viewfinder and for
captures. This camera source is a special type of source that has 3 pads.
To use a 'regular' source with a single pad you should use
<span class="type">GstWrapperCameraBinSource</span>, it will adapt your source and provide 3 pads.

Applications can also select the desired viewfinder sink using
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-sink" title="The “viewfinder-sink” property"><span class="type">“viewfinder-sink”</span></a>, it is also possible to select the audio
source using <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-source" title="The “audio-source” property"><span class="type">“audio-source”</span></a>.

The viewfinder resolution can be configured using
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-caps" title="The “viewfinder-caps” property"><span class="type">“viewfinder-caps”</span></a>, these <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> should be a subset of
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-supported-caps" title="The “viewfinder-supported-caps” property"><span class="type">“viewfinder-supported-caps”</span></a>.

To select the desired resolution for captures, camerabin2 provides
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-caps" title="The “image-capture-caps” property"><span class="type">“image-capture-caps”</span></a> and <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-capture-caps" title="The “video-capture-caps” property"><span class="type">“video-capture-caps”</span></a>,
these caps must be a subset of what the source can produce. The allowed
caps can be probed using <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-capture-supported-caps" title="The “image-capture-supported-caps” property"><span class="type">“image-capture-supported-caps”</span></a> and
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-capture-supported-caps" title="The “video-capture-supported-caps” property"><span class="type">“video-capture-supported-caps”</span></a>. In an analogous way, there
are <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-capture-caps" title="The “audio-capture-caps” property"><span class="type">“audio-capture-caps”</span></a> and
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--audio-capture-supported-caps" title="The “audio-capture-supported-caps” property"><span class="type">“audio-capture-supported-caps”</span></a>.

Camerabin2 also allows applications to insert custom <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElements</span></a> on any
of its branches: video capture, image capture, viewfinder and preview.
Check <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--video-filter" title="The “video-filter” property"><span class="type">“video-filter”</span></a>, <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--image-filter" title="The “image-filter” property"><span class="type">“image-filter”</span></a>,
<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--viewfinder-filter" title="The “viewfinder-filter” property"><span class="type">“viewfinder-filter”</span></a> and <a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2--preview-filter" title="The “preview-filter” property"><span class="type">“preview-filter”</span></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.9.9.8"></a><h3>Example launch line</h3>
<p>
Unfortunatelly, camerabin2 can't be really used from gst-launch, as you need
to send signals to control it. The following pipeline might be able
to show the viewfinder using all the default elements.
</p>
<div class="informalexample"><pre class="programlisting">
gst-launch -v -m camerabin2
</pre></div>
<p>
</p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.9.9.9.1"></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-bad-plugins-plugin-camerabin2.html#plugin-camerabin2">camerabin2</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Thiago Santos &lt;thiago.sousa.santos@collabora.co.uk&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Generic/Bin/Camera</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.9.9.9.2"></a><h3>Element Pads</h3>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.functions_details"></a><h2>Functions</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstCameraBin2-struct"></a><h3>struct GstCameraBin2</h3>
<pre class="programlisting">struct GstCameraBin2;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstCameraBin2--audio-capture-caps"></a><h3>The <code class="literal">“audio-capture-caps”</code> property</h3>
<pre class="programlisting">  “audio-capture-caps”       <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Format to capture audio for video recording represented as GstCaps.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--audio-capture-supported-caps"></a><h3>The <code class="literal">“audio-capture-supported-caps”</code> property</h3>
<pre class="programlisting">  “audio-capture-supported-caps” <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Formats supported for capturing audio represented as GstCaps.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--audio-src"></a><h3>The <code class="literal">“audio-src”</code> property</h3>
<pre class="programlisting">  “audio-src”                <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The audio source element to be used on video recordings. It is only taken into use on the next null to ready transition.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--camera-src"></a><h3>The <code class="literal">“camera-src”</code> property</h3>
<pre class="programlisting">  “camera-src”               <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The camera source element to be used. It is only taken into use on the next null to ready transition.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--idle"></a><h3>The <code class="literal">“idle”</code> property</h3>
<pre class="programlisting">  “idle”                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If camerabin2 is idle (not doing captures).</p>
<p>Flags: Read</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-capture-caps"></a><h3>The <code class="literal">“image-capture-caps”</code> property</h3>
<pre class="programlisting">  “image-capture-caps”       <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Caps for image capture.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-capture-encoder"></a><h3>The <code class="literal">“image-capture-encoder”</code> property</h3>
<pre class="programlisting">  “image-capture-encoder”    <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The image encoder element to be used on image captures.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-capture-muxer"></a><h3>The <code class="literal">“image-capture-muxer”</code> property</h3>
<pre class="programlisting">  “image-capture-muxer”      <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The image encoder element to be used on image captures.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-capture-supported-caps"></a><h3>The <code class="literal">“image-capture-supported-caps”</code> property</h3>
<pre class="programlisting">  “image-capture-supported-caps” <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Formats supported for capturing images represented as GstCaps.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-filter"></a><h3>The <code class="literal">“image-filter”</code> property</h3>
<pre class="programlisting">  “image-filter”             <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The element that will process captured image frames. (Should be set on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--location"></a><h3>The <code class="literal">“location”</code> property</h3>
<pre class="programlisting">  “location”                 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Location to save the captured files. A %d might be used on thefilename as a placeholder for a numeric index of the capture.Default is cap_%d.</p>
<p>Flags: Read / Write</p>
<p>Default value: "cap_%d"</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--max-zoom"></a><h3>The <code class="literal">“max-zoom”</code> property</h3>
<pre class="programlisting">  “max-zoom”                 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></pre>
<p>Digital zoom factor (e.g. 1.5 means 1.5x).</p>
<p>Flags: Read</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 10</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--mode"></a><h3>The <code class="literal">“mode”</code> property</h3>
<pre class="programlisting">  “mode”                     <span class="type">GstCameraBin2Mode</span></pre>
<p>Set the mode of operation: still image capturing or video recording.</p>
<p>Flags: Read / Write</p>
<p>Default value: Still image capture (default)</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--mute"></a><h3>The <code class="literal">“mute”</code> property</h3>
<pre class="programlisting">  “mute”                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If the audio recording should be muted. Note that this still saves audio data to the resulting file, but they are silent. Use a video-profile without audio to disable audio completely.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--post-previews"></a><h3>The <code class="literal">“post-previews”</code> property</h3>
<pre class="programlisting">  “post-previews”            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If capture preview images should be posted to the bus.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--preview-caps"></a><h3>The <code class="literal">“preview-caps”</code> property</h3>
<pre class="programlisting">  “preview-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 preview image to be posted.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--preview-filter"></a><h3>The <code class="literal">“preview-filter”</code> property</h3>
<pre class="programlisting">  “preview-filter”           <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The element that will process preview buffers. (Should be set on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--video-capture-caps"></a><h3>The <code class="literal">“video-capture-caps”</code> property</h3>
<pre class="programlisting">  “video-capture-caps”       <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Caps for video capture.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--video-capture-supported-caps"></a><h3>The <code class="literal">“video-capture-supported-caps”</code> property</h3>
<pre class="programlisting">  “video-capture-supported-caps” <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Formats supported for capturing videos represented as GstCaps.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--video-filter"></a><h3>The <code class="literal">“video-filter”</code> property</h3>
<pre class="programlisting">  “video-filter”             <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The element that will process captured video frames. (Should be set on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--video-profile"></a><h3>The <code class="literal">“video-profile”</code> property</h3>
<pre class="programlisting">  “video-profile”            <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> *</pre>
<p>The GstEncodingProfile to use for video recording. Audio is enabled when this profile supports audio.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--viewfinder-caps"></a><h3>The <code class="literal">“viewfinder-caps”</code> property</h3>
<pre class="programlisting">  “viewfinder-caps”          <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *</pre>
<p>Restricts the caps that can be used on the viewfinder.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--viewfinder-filter"></a><h3>The <code class="literal">“viewfinder-filter”</code> property</h3>
<pre class="programlisting">  “viewfinder-filter”        <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The element that will process frames going to the viewfinder. (Should be set on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--viewfinder-sink"></a><h3>The <code class="literal">“viewfinder-sink”</code> property</h3>
<pre class="programlisting">  “viewfinder-sink”          <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The video sink of the viewfinder. It is only taken into use on the next null to ready transition.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--viewfinder-supported-caps"></a><h3>The <code class="literal">“viewfinder-supported-caps”</code> property</h3>
<pre class="programlisting">  “viewfinder-supported-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 that the camera source can produce on the viewfinder pad.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--zoom"></a><h3>The <code class="literal">“zoom”</code> property</h3>
<pre class="programlisting">  “zoom”                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></pre>
<p>Digital zoom factor (e.g. 1.5 means 1.5x).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [1,10]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--image-profile"></a><h3>The <code class="literal">“image-profile”</code> property</h3>
<pre class="programlisting">  “image-profile”            <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-encoding-profile.html#GstEncodingProfile"><span class="type">GstEncodingProfile</span></a> *</pre>
<p>The GstEncodingProfile to use for image captures.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--audio-source"></a><h3>The <code class="literal">“audio-source”</code> property</h3>
<pre class="programlisting">  “audio-source”             <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The audio source element to be used on video recordings. It is only taken into use on the next null to ready transition.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--camera-source"></a><h3>The <code class="literal">“camera-source”</code> property</h3>
<pre class="programlisting">  “camera-source”            <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The camera source element to be used. It is only taken into use on the next null to ready transition.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--audio-filter"></a><h3>The <code class="literal">“audio-filter”</code> property</h3>
<pre class="programlisting">  “audio-filter”             <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"><span class="type">GstElement</span></a> *</pre>
<p>The element that will process captured audio buffers when recording. (Should be set on NULL state).</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2--flags"></a><h3>The <code class="literal">“flags”</code> property</h3>
<pre class="programlisting">  “flags”                    <span class="type">GstCamFlags</span></pre>
<p>Flags to control behaviour.</p>
<p>Flags: Read / Write</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-camerabin2.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstCameraBin2-start-capture"></a><h3>The <code class="literal">“start-capture”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2"><span class="type">GstCameraBin2</span></a> *gstcamerabin2,
               <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)</pre>
<p>
</p>
<div class="refsect3">
<a name="id-1.2.9.13.2.5"></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>gstcamerabin2</p></td>
<td class="parameter_description"><p>the object which received the signal.</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: Action</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCameraBin2-stop-capture"></a><h3>The <code class="literal">“stop-capture”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="gst-plugins-bad-plugins-camerabin2.html#GstCameraBin2"><span class="type">GstCameraBin2</span></a> *gstcamerabin2,
               <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)</pre>
<p>
</p>
<div class="refsect3">
<a name="id-1.2.9.13.3.5"></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>gstcamerabin2</p></td>
<td class="parameter_description"><p>the object which received the signal.</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: Action</p>
</div>
</div>
</div>
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