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>shmsrc: 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-shmsink.html" title="shmsink"> 10<link rel="next" href="gst-plugins-bad-plugins-simplevideomarkdetect.html" title="simplevideomarkdetect"> 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-shmsrc.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-bad-plugins-shmsrc.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#gst-plugins-bad-plugins-shmsrc.properties" class="shortcut">Properties</a></span> 21</td> 22<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 23<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 24<td><a accesskey="p" href="gst-plugins-bad-plugins-shmsink.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="gst-plugins-bad-plugins-simplevideomarkdetect.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 26</tr></table> 27<div class="refentry"> 28<a name="gst-plugins-bad-plugins-shmsrc"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-shmsrc.top_of_page"></a>shmsrc</span></h2> 32<p>shmsrc</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="gst-plugins-bad-plugins-shmsrc.properties"></a><h2>Properties</h2> 38<div class="informaltable"><table class="informaltable" border="0"> 39<colgroup> 40<col width="150px" class="properties_type"> 41<col width="300px" class="properties_name"> 42<col width="200px" class="properties_flags"> 43</colgroup> 44<tbody> 45<tr> 46<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 47<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-shmsrc.html#GstShmSrc--is-live" title="The “is-live” property">is-live</a></td> 48<td class="property_flags">Read / Write</td> 49</tr> 50<tr> 51<td class="property_type"> 52<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 53<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-shmsrc.html#GstShmSrc--socket-path" title="The “socket-path” property">socket-path</a></td> 54<td class="property_flags">Read / Write</td> 55</tr> 56<tr> 57<td class="property_type"> 58<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 59<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-shmsrc.html#GstShmSrc--shm-area-name" title="The “shm-area-name” property">shm-area-name</a></td> 60<td class="property_flags">Read</td> 61</tr> 62</tbody> 63</table></div> 64</div> 65<a name="GstShmSrc"></a><div class="refsect1"> 66<a name="gst-plugins-bad-plugins-shmsrc.other"></a><h2>Types and Values</h2> 67<div class="informaltable"><table class="informaltable" width="100%" border="0"> 68<colgroup> 69<col width="150px" class="name"> 70<col class="description"> 71</colgroup> 72<tbody><tr> 73<td class="datatype_keyword">struct</td> 74<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-shmsrc.html#GstShmSrc-struct" title="struct GstShmSrc">GstShmSrc</a></td> 75</tr></tbody> 76</table></div> 77</div> 78<div class="refsect1"> 79<a name="gst-plugins-bad-plugins-shmsrc.object-hierarchy"></a><h2>Object Hierarchy</h2> 80<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 81 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 82 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 83 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 84 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSrc.html#GstBaseSrc-struct">GstBaseSrc</a> 85 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstPushSrc.html#GstPushSrc-struct">GstPushSrc</a> 86 <span class="lineart">╰──</span> GstShmSrc 87</pre> 88</div> 89<div class="refsect1"> 90<a name="gst-plugins-bad-plugins-shmsrc.description"></a><h2>Description</h2> 91<p>Receive data from the shared memory sink.</p> 92<div class="refsect3"> 93<a name="id-1.2.197.7.3"></a><h4>Example launch lines</h4> 94<div class="informalexample"> 95 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 96 <tbody> 97 <tr> 98 <td class="listing_lines" align="right"><pre>1 992 1003 1014</pre></td> 102 <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> shmsrc socket<span class="gtkdoc opt">-</span>path<span class="gtkdoc opt">=/</span>tmp<span class="gtkdoc opt">/</span>blah <span class="gtkdoc opt">!</span> \ 103<span class="string">"video/x-raw, format=YUY2, color-matrix=sdtv, \</span> 104<span class="string">chroma-site=mpeg2, width=(int)320, height=(int)240, framerate=(fraction)30/1"</span> \ 105<span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td> 106 </tr> 107 </tbody> 108 </table> 109</div> 110 111<p> Render video from shm buffers.</p> 112</div> 113<div class="refsynopsisdiv"> 114<h2>Synopsis</h2> 115<div class="refsect2"> 116<a name="id-1.2.197.7.4.1"></a><h3>Element Information</h3> 117<div class="variablelist"><table border="0" class="variablelist"> 118<colgroup> 119<col align="left" valign="top"> 120<col> 121</colgroup> 122<tbody> 123<tr> 124<td><p><span class="term">plugin</span></p></td> 125<td> 126 <a class="link" href="gst-plugins-bad-plugins-plugin-shm.html#plugin-shm">shm</a> 127 </td> 128</tr> 129<tr> 130<td><p><span class="term">author</span></p></td> 131<td>Olivier Crete <olivier.crete@collabora.co.uk></td> 132</tr> 133<tr> 134<td><p><span class="term">class</span></p></td> 135<td>Source</td> 136</tr> 137</tbody> 138</table></div> 139</div> 140<hr> 141<div class="refsect2"> 142<a name="id-1.2.197.7.4.2"></a><h3>Element Pads</h3> 143<div class="variablelist"><table border="0" class="variablelist"> 144<colgroup> 145<col align="left" valign="top"> 146<col> 147</colgroup> 148<tbody> 149<tr> 150<td><p><span class="term">name</span></p></td> 151<td>src</td> 152</tr> 153<tr> 154<td><p><span class="term">direction</span></p></td> 155<td>source</td> 156</tr> 157<tr> 158<td><p><span class="term">presence</span></p></td> 159<td>always</td> 160</tr> 161<tr> 162<td><p><span class="term">details</span></p></td> 163<td>ANY</td> 164</tr> 165</tbody> 166</table></div> 167</div> 168</div> 169</div> 170<div class="refsect1"> 171<a name="gst-plugins-bad-plugins-shmsrc.functions_details"></a><h2>Functions</h2> 172<p></p> 173</div> 174<div class="refsect1"> 175<a name="gst-plugins-bad-plugins-shmsrc.other_details"></a><h2>Types and Values</h2> 176<div class="refsect2"> 177<a name="GstShmSrc-struct"></a><h3>struct GstShmSrc</h3> 178<pre class="programlisting">struct GstShmSrc;</pre> 179</div> 180</div> 181<div class="refsect1"> 182<a name="gst-plugins-bad-plugins-shmsrc.property-details"></a><h2>Property Details</h2> 183<div class="refsect2"> 184<a name="GstShmSrc--is-live"></a><h3>The <code class="literal">“is-live”</code> property</h3> 185<pre class="programlisting"> “is-live” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 186<p>True if the element cannot produce data in PAUSED.</p> 187<p>Flags: Read / Write</p> 188<p>Default value: FALSE</p> 189</div> 190<hr> 191<div class="refsect2"> 192<a name="GstShmSrc--socket-path"></a><h3>The <code class="literal">“socket-path”</code> property</h3> 193<pre class="programlisting"> “socket-path” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 194<p>The path to the control socket used to control the shared memory.</p> 195<p>Flags: Read / Write</p> 196<p>Default value: NULL</p> 197</div> 198<hr> 199<div class="refsect2"> 200<a name="GstShmSrc--shm-area-name"></a><h3>The <code class="literal">“shm-area-name”</code> property</h3> 201<pre class="programlisting"> “shm-area-name” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 202<p>The name of the shared memory area used to get buffers.</p> 203<p>Flags: Read</p> 204<p>Default value: NULL</p> 205</div> 206</div> 207</div> 208<div class="footer"> 209<hr>Generated by GTK-Doc V1.28</div> 210</body> 211</html>
