1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>jpegparse: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Bad Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-bad Elements"> 9<link rel="prev" href="gst-plugins-bad-plugins-jpeg2000parse.html" title="jpeg2000parse"> 10<link rel="next" href="gst-plugins-bad-plugins-kaleidoscope.html" title="kaleidoscope"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#gst-plugins-bad-plugins-jpegparse.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-bad-plugins-jpegparse.object-hierarchy" class="shortcut">Object Hierarchy</a></span> 20</td> 21<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 22<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 23<td><a accesskey="p" href="gst-plugins-bad-plugins-jpeg2000parse.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 24<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> 25</tr></table> 26<div class="refentry"> 27<a name="gst-plugins-bad-plugins-jpegparse"></a><div class="titlepage"></div> 28<div class="refnamediv"><table width="100%"><tr> 29<td valign="top"> 30<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-jpegparse.top_of_page"></a>jpegparse</span></h2> 31<p>jpegparse — JPEG parser</p> 32</td> 33<td class="gallery_image" valign="top" align="right"></td> 34</tr></table></div> 35<a name="GstJpegParse"></a><div class="refsect1"> 36<a name="gst-plugins-bad-plugins-jpegparse.other"></a><h2>Types and Values</h2> 37<div class="informaltable"><table class="informaltable" width="100%" border="0"> 38<colgroup> 39<col width="150px" class="name"> 40<col class="description"> 41</colgroup> 42<tbody><tr> 43<td class="datatype_keyword">struct</td> 44<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-jpegparse.html#GstJpegParse-struct" title="struct GstJpegParse">GstJpegParse</a></td> 45</tr></tbody> 46</table></div> 47</div> 48<div class="refsect1"> 49<a name="gst-plugins-bad-plugins-jpegparse.object-hierarchy"></a><h2>Object Hierarchy</h2> 50<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 51 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 52 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 53 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 54 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseParse.html#GstBaseParse-struct">GstBaseParse</a> 55 <span class="lineart">╰──</span> GstJpegParse 56</pre> 57</div> 58<div class="refsect1"> 59<a name="gst-plugins-bad-plugins-jpegparse.description"></a><h2>Description</h2> 60<p>Parses a JPEG stream into JPEG images. It looks for EOI boundaries to 61split a continuous stream into single-frame buffers. Also reads the 62image header searching for image properties such as width and height 63among others. Jpegparse can also extract metadata (e.g. xmp).</p> 64<div class="refsect3"> 65<a name="id-1.2.127.6.3"></a><h4>Example launch line</h4> 66<div class="informalexample"> 67 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 68 <tbody> 69 <tr> 70 <td class="listing_lines" align="right"><pre>1</pre></td> 71 <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> 72 </tr> 73 </tbody> 74 </table> 75</div> 76 77<p> 78The above pipeline fetches a motion JPEG stream from an IP camera over 79HTTP and stores it in a matroska file.</p> 80</div> 81<div class="refsynopsisdiv"> 82<h2>Synopsis</h2> 83<div class="refsect2"> 84<a name="id-1.2.127.6.4.1"></a><h3>Element Information</h3> 85<div class="variablelist"><table border="0" class="variablelist"> 86<colgroup> 87<col align="left" valign="top"> 88<col> 89</colgroup> 90<tbody> 91<tr> 92<td><p><span class="term">plugin</span></p></td> 93<td> 94 <a class="link" href="gst-plugins-bad-plugins-plugin-jpegformat.html#plugin-jpegformat">jpegformat</a> 95 </td> 96</tr> 97<tr> 98<td><p><span class="term">author</span></p></td> 99<td>Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be></td> 100</tr> 101<tr> 102<td><p><span class="term">class</span></p></td> 103<td>Video/Parser</td> 104</tr> 105</tbody> 106</table></div> 107</div> 108<hr> 109<div class="refsect2"> 110<a name="id-1.2.127.6.4.2"></a><h3>Element Pads</h3> 111<div class="variablelist"><table border="0" class="variablelist"> 112<colgroup> 113<col align="left" valign="top"> 114<col> 115</colgroup> 116<tbody> 117<tr> 118<td><p><span class="term">name</span></p></td> 119<td>sink</td> 120</tr> 121<tr> 122<td><p><span class="term">direction</span></p></td> 123<td>sink</td> 124</tr> 125<tr> 126<td><p><span class="term">presence</span></p></td> 127<td>always</td> 128</tr> 129<tr> 130<td><p><span class="term">details</span></p></td> 131<td>image/jpeg</td> 132</tr> 133</tbody> 134</table></div> 135<div class="variablelist"><table border="0" class="variablelist"> 136<colgroup> 137<col align="left" valign="top"> 138<col> 139</colgroup> 140<tbody> 141<tr> 142<td><p><span class="term">name</span></p></td> 143<td>src</td> 144</tr> 145<tr> 146<td><p><span class="term">direction</span></p></td> 147<td>source</td> 148</tr> 149<tr> 150<td><p><span class="term">presence</span></p></td> 151<td>always</td> 152</tr> 153<tr> 154<td><p><span class="term">details</span></p></td> 155<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> 156</tr> 157</tbody> 158</table></div> 159</div> 160</div> 161</div> 162<div class="refsect1"> 163<a name="gst-plugins-bad-plugins-jpegparse.functions_details"></a><h2>Functions</h2> 164<p></p> 165</div> 166<div class="refsect1"> 167<a name="gst-plugins-bad-plugins-jpegparse.other_details"></a><h2>Types and Values</h2> 168<div class="refsect2"> 169<a name="GstJpegParse-struct"></a><h3>struct GstJpegParse</h3> 170<pre class="programlisting">struct GstJpegParse;</pre> 171</div> 172</div> 173</div> 174<div class="footer"> 175<hr>Generated by GTK-Doc V1.28</div> 176</body> 177</html>
