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>uvch264mjpgdemux: 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-unalignedvideoparse.html" title="unalignedvideoparse"> 10<link rel="next" href="gst-plugins-bad-plugins-uvch264src.html" title="uvch264src"> 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-uvch264mjpgdemux.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-bad-plugins-uvch264mjpgdemux.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#gst-plugins-bad-plugins-uvch264mjpgdemux.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-unalignedvideoparse.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-uvch264src.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-uvch264mjpgdemux"></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-uvch264mjpgdemux.top_of_page"></a>uvch264mjpgdemux</span></h2> 32<p>uvch264mjpgdemux — UVC H264 compliant MJPG demuxer</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-uvch264mjpgdemux.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#gint"><span class="type">gint</span></a></td> 47<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-uvch264mjpgdemux.html#GstUvcH264MjpgDemux--device-fd" title="The “device-fd” property">device-fd</a></td> 48<td class="property_flags">Read / Write</td> 49</tr> 50<tr> 51<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td> 52<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-uvch264mjpgdemux.html#GstUvcH264MjpgDemux--num-clock-samples" title="The “num-clock-samples” property">num-clock-samples</a></td> 53<td class="property_flags">Read / Write / Construct</td> 54</tr> 55</tbody> 56</table></div> 57</div> 58<a name="GstUvcH264MjpgDemux"></a><div class="refsect1"> 59<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.other"></a><h2>Types and Values</h2> 60<div class="informaltable"><table class="informaltable" width="100%" border="0"> 61<colgroup> 62<col width="150px" class="name"> 63<col class="description"> 64</colgroup> 65<tbody><tr> 66<td class="datatype_keyword">struct</td> 67<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-uvch264mjpgdemux.html#GstUvcH264MjpgDemux-struct" title="struct GstUvcH264MjpgDemux">GstUvcH264MjpgDemux</a></td> 68</tr></tbody> 69</table></div> 70</div> 71<div class="refsect1"> 72<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.object-hierarchy"></a><h2>Object Hierarchy</h2> 73<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 74 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 75 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 76 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 77 <span class="lineart">╰──</span> GstUvcH264MjpgDemux 78</pre> 79</div> 80<div class="refsect1"> 81<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.description"></a><h2>Description</h2> 82<p>Parses a MJPG stream from a UVC H264 compliant encoding camera and extracts 83each muxed stream into separate pads.</p> 84<div class="refsynopsisdiv"> 85<h2>Synopsis</h2> 86<div class="refsect2"> 87<a name="id-1.2.230.7.3.1"></a><h3>Element Information</h3> 88<div class="variablelist"><table border="0" class="variablelist"> 89<colgroup> 90<col align="left" valign="top"> 91<col> 92</colgroup> 93<tbody> 94<tr> 95<td><p><span class="term">plugin</span></p></td> 96<td> 97 <a class="link" href="gst-plugins-bad-plugins-plugin-uvch264.html#plugin-uvch264">uvch264</a> 98 </td> 99</tr> 100<tr> 101<td><p><span class="term">author</span></p></td> 102<td>Youness Alaoui <youness.alaoui@collabora.co.uk></td> 103</tr> 104<tr> 105<td><p><span class="term">class</span></p></td> 106<td>Video/Demuxer</td> 107</tr> 108</tbody> 109</table></div> 110</div> 111<hr> 112<div class="refsect2"> 113<a name="id-1.2.230.7.3.2"></a><h3>Element Pads</h3> 114<div class="variablelist"><table border="0" class="variablelist"> 115<colgroup> 116<col align="left" valign="top"> 117<col> 118</colgroup> 119<tbody> 120<tr> 121<td><p><span class="term">name</span></p></td> 122<td>sink</td> 123</tr> 124<tr> 125<td><p><span class="term">direction</span></p></td> 126<td>sink</td> 127</tr> 128<tr> 129<td><p><span class="term">presence</span></p></td> 130<td>always</td> 131</tr> 132<tr> 133<td><p><span class="term">details</span></p></td> 134<td>image/jpeg, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 135</tr> 136</tbody> 137</table></div> 138<div class="variablelist"><table border="0" class="variablelist"> 139<colgroup> 140<col align="left" valign="top"> 141<col> 142</colgroup> 143<tbody> 144<tr> 145<td><p><span class="term">name</span></p></td> 146<td>h264</td> 147</tr> 148<tr> 149<td><p><span class="term">direction</span></p></td> 150<td>source</td> 151</tr> 152<tr> 153<td><p><span class="term">presence</span></p></td> 154<td>always</td> 155</tr> 156<tr> 157<td><p><span class="term">details</span></p></td> 158<td>video/x-h264, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 159</tr> 160</tbody> 161</table></div> 162<div class="variablelist"><table border="0" class="variablelist"> 163<colgroup> 164<col align="left" valign="top"> 165<col> 166</colgroup> 167<tbody> 168<tr> 169<td><p><span class="term">name</span></p></td> 170<td>jpeg</td> 171</tr> 172<tr> 173<td><p><span class="term">direction</span></p></td> 174<td>source</td> 175</tr> 176<tr> 177<td><p><span class="term">presence</span></p></td> 178<td>always</td> 179</tr> 180<tr> 181<td><p><span class="term">details</span></p></td> 182<td>image/jpeg, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 183</tr> 184</tbody> 185</table></div> 186<div class="variablelist"><table border="0" class="variablelist"> 187<colgroup> 188<col align="left" valign="top"> 189<col> 190</colgroup> 191<tbody> 192<tr> 193<td><p><span class="term">name</span></p></td> 194<td>nv12</td> 195</tr> 196<tr> 197<td><p><span class="term">direction</span></p></td> 198<td>source</td> 199</tr> 200<tr> 201<td><p><span class="term">presence</span></p></td> 202<td>always</td> 203</tr> 204<tr> 205<td><p><span class="term">details</span></p></td> 206<td>video/x-raw, format=(string)NV12, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 207</tr> 208</tbody> 209</table></div> 210<div class="variablelist"><table border="0" class="variablelist"> 211<colgroup> 212<col align="left" valign="top"> 213<col> 214</colgroup> 215<tbody> 216<tr> 217<td><p><span class="term">name</span></p></td> 218<td>yuy2</td> 219</tr> 220<tr> 221<td><p><span class="term">direction</span></p></td> 222<td>source</td> 223</tr> 224<tr> 225<td><p><span class="term">presence</span></p></td> 226<td>always</td> 227</tr> 228<tr> 229<td><p><span class="term">details</span></p></td> 230<td>video/x-raw, format=(string)YUY2, width=(int)[ 0, 2147483647 ], height=(int)[ 0, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 231</tr> 232</tbody> 233</table></div> 234</div> 235</div> 236</div> 237<div class="refsect1"> 238<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.functions_details"></a><h2>Functions</h2> 239<p></p> 240</div> 241<div class="refsect1"> 242<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.other_details"></a><h2>Types and Values</h2> 243<div class="refsect2"> 244<a name="GstUvcH264MjpgDemux-struct"></a><h3>struct GstUvcH264MjpgDemux</h3> 245<pre class="programlisting">struct GstUvcH264MjpgDemux;</pre> 246</div> 247</div> 248<div class="refsect1"> 249<a name="gst-plugins-bad-plugins-uvch264mjpgdemux.property-details"></a><h2>Property Details</h2> 250<div class="refsect2"> 251<a name="GstUvcH264MjpgDemux--device-fd"></a><h3>The <code class="literal">“device-fd”</code> property</h3> 252<pre class="programlisting"> “device-fd” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> 253<p>File descriptor of the v4l2 device.</p> 254<p>Flags: Read / Write</p> 255<p>Allowed values: >= G_MAXULONG</p> 256<p>Default value: -1</p> 257</div> 258<hr> 259<div class="refsect2"> 260<a name="GstUvcH264MjpgDemux--num-clock-samples"></a><h3>The <code class="literal">“num-clock-samples”</code> property</h3> 261<pre class="programlisting"> “num-clock-samples” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> 262<p>Number of clock samples to gather for the PTS synchronization (-1 = unlimited).</p> 263<p>Flags: Read / Write / Construct</p> 264<p>Allowed values: >= 0</p> 265<p>Default value: 32</p> 266</div> 267</div> 268</div> 269<div class="footer"> 270<hr>Generated by GTK-Doc V1.28</div> 271</body> 272</html>
