<!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 1.0 Plugins Reference Manual: zbar</title> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="index.html" title="GStreamer Bad Plugins 1.0 Plugins Reference Manual"> <link rel="up" href="ch01.html" title="gst-plugins-bad Elements"> <link rel="prev" href="gst-plugins-bad-plugins-waterripple.html" title="waterripple"> <link rel="next" href="gst-plugins-bad-plugins-voaacenc.html" title="voaacenc"> <meta name="generator" content="GTK-Doc V1.21 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </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="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a 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</tr></table> <div class="refentry"> <a name="gst-plugins-bad-plugins-zbar"></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-zbar.top_of_page"></a>zbar</span></h2> <p>zbar — Detect bar codes in the video streams</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.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="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> <td class="property_name"><a class="link" href="gst-plugins-bad-plugins-zbar.html#GstZBar--message" title="The “message” property">message</a></td> <td class="property_flags">Read / Write</td> </tr> <tr> <td class="property_type"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> <td class="property_name"><a class="link" href="gst-plugins-bad-plugins-zbar.html#GstZBar--cache" title="The “cache” property">cache</a></td> <td class="property_flags">Read / Write</td> </tr> </tbody> </table></div> </div> <a name="GstZBar"></a><div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.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-zbar.html#GstZBar-struct" title="struct GstZBar">GstZBar</a></td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a> <span class="lineart">╰──</span> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a> <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a> <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a> <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter">GstVideoFilter</a> <span class="lineart">╰──</span> GstZBar </pre> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.description"></a><h2>Description</h2> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <div class="refsect2"> <a name="id-1.2.75.7.2.1"></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-zbar.html#plugin-zbar">zbar</a> </td> </tr> <tr> <td><p><span class="term">author</span></p></td> <td>Stefan Kost <ensonic@users.sf.net></td> </tr> <tr> <td><p><span class="term">class</span></p></td> <td>Filter/Analyzer/Video</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2"> <a name="id-1.2.75.7.2.2"></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>video/x-raw, format=(string){ Y800, I420, YV12, NV12, NV21, Y41B, Y42B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> </tr> </tbody> </table></div> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term">name</span></p></td> <td>src</td> </tr> <tr> <td><p><span class="term">direction</span></p></td> <td>source</td> </tr> <tr> <td><p><span class="term">presence</span></p></td> <td>always</td> </tr> <tr> <td><p><span class="term">details</span></p></td> <td>video/x-raw, format=(string){ Y800, I420, YV12, NV12, NV21, Y41B, Y42B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> </tr> </tbody> </table></div> </div> </div> <p> </p> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.functions_details"></a><h2>Functions</h2> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GstZBar-struct"></a><h3>struct GstZBar</h3> <pre class="programlisting">struct GstZBar;</pre> <p> </p> </div> </div> <div class="refsect1"> <a name="gst-plugins-bad-plugins-zbar.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="GstZBar--message"></a><h3>The <code class="literal">“message”</code> property</h3> <pre class="programlisting"> “message” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> <p>Post a barcode message for each detected code.</p> <p>Flags: Read / Write</p> <p>Default value: TRUE</p> </div> <hr> <div class="refsect2"> <a name="GstZBar--cache"></a><h3>The <code class="literal">“cache”</code> property</h3> <pre class="programlisting"> “cache” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> <p>Enable or disable the inter-image result cache.</p> <p>Flags: Read / Write</p> <p>Default value: FALSE</p> </div> </div> </div> <div class="footer"> <hr> Generated by GTK-Doc V1.21</div> </body> </html>