blob: 784175a7e1ebd9ca52992ef224579ac98f9b95ad [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>jpegparse: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<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-glviewconvert.html" title="glviewconvert">
<link rel="next" href="gst-plugins-bad-plugins-kaleidoscope.html" title="kaleidoscope">
<meta name="generator" content="GTK-Doc V1.25 (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 href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-jpegparse.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-jpegparse.object-hierarchy" class="shortcut">Object Hierarchy</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-glviewconvert.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="gst-plugins-bad-plugins-kaleidoscope.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-jpegparse"></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-jpegparse.top_of_page"></a>jpegparse</span></h2>
<p>jpegparse — JPEG parser</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<a name="GstJpegParse"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-jpegparse.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" 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-jpegparse.html#GstJpegParse-struct" title="struct GstJpegParse">GstJpegParse</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-jpegparse.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseParse.html#GstBaseParse-struct">GstBaseParse</a>
<span class="lineart">╰──</span> GstJpegParse
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-jpegparse.description"></a><h2>Description</h2>
<p>Parses a JPEG stream into JPEG images. It looks for EOI boundaries to
split a continuous stream into single-frame buffers. Also reads the
image header searching for image properties such as width and height
among others. Jpegparse can also extract metadata (e.g. xmp).</p>
<div class="refsect2">
<a name="id-1.2.88.6.3"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> <span class="gtkdoc opt">-</span>v souphttpsrc location<span class="gtkdoc opt">=... !</span> jpegparse <span class="gtkdoc opt">!</span> matroskamux <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=...</span></pre></td>
</tr>
</tbody>
</table>
</div>
The above pipeline fetches a motion JPEG stream from an IP camera over
HTTP and stores it in a matroska file.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.88.6.4.1"></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-bad-plugins-plugin-jpegformat.html#plugin-jpegformat">jpegformat</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Arnout Vandecappelle (Essensium/Mind) &lt;arnout@mind.be&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Video/Parser</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.88.6.4.2"></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>image/jpeg</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>image/jpeg, format=(string){ I420, Y41B, UYVY, YV12 }, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], parsed=(boolean)true</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-jpegparse.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-jpegparse.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstJpegParse-struct"></a><h3>struct GstJpegParse</h3>
<pre class="programlisting">struct GstJpegParse;</pre>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.25</div>
</body>
</html>