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>rtpssrcdemux: GStreamer Good 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 Good Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-good Elements"> 9<link rel="prev" href="gst-plugins-good-plugins-rtpspeexpay.html" title="rtpspeexpay"> 10<link rel="next" href="gst-plugins-good-plugins-rtpstorage.html" title="rtpstorage"> 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-good-plugins-rtpssrcdemux.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-good-plugins-rtpssrcdemux.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_signals"> <span class="dim">|</span> 20 <a href="#gst-plugins-good-plugins-rtpssrcdemux.signals" class="shortcut">Signals</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-good-plugins-rtpspeexpay.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="gst-plugins-good-plugins-rtpstorage.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-good-plugins-rtpssrcdemux"></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-good-plugins-rtpssrcdemux.top_of_page"></a>rtpssrcdemux</span></h2> 32<p>rtpssrcdemux</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-good-plugins-rtpssrcdemux.signals"></a><h2>Signals</h2> 38<div class="informaltable"><table class="informaltable" border="0"> 39<colgroup> 40<col width="150px" class="signals_return"> 41<col width="300px" class="signals_name"> 42<col width="200px" class="signals_flags"> 43</colgroup> 44<tbody> 45<tr> 46<td class="signal_type"><span class="returnvalue">void</span></td> 47<td class="signal_name"><a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux-clear-ssrc" title="The “clear-ssrc” signal">clear-ssrc</a></td> 48<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS">Action</a></td> 49</tr> 50<tr> 51<td class="signal_type"><span class="returnvalue">void</span></td> 52<td class="signal_name"><a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux-new-ssrc-pad" title="The “new-ssrc-pad” signal">new-ssrc-pad</a></td> 53<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 54</tr> 55<tr> 56<td class="signal_type"><span class="returnvalue">void</span></td> 57<td class="signal_name"><a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux-removed-ssrc-pad" title="The “removed-ssrc-pad” signal">removed-ssrc-pad</a></td> 58<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 59</tr> 60</tbody> 61</table></div> 62</div> 63<a name="GstRtpSsrcDemux"></a><div class="refsect1"> 64<a name="gst-plugins-good-plugins-rtpssrcdemux.other"></a><h2>Types and Values</h2> 65<div class="informaltable"><table class="informaltable" width="100%" border="0"> 66<colgroup> 67<col width="150px" class="name"> 68<col class="description"> 69</colgroup> 70<tbody><tr> 71<td class="datatype_keyword">struct</td> 72<td class="function_name"><a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux-struct" title="struct GstRtpSsrcDemux">GstRtpSsrcDemux</a></td> 73</tr></tbody> 74</table></div> 75</div> 76<div class="refsect1"> 77<a name="gst-plugins-good-plugins-rtpssrcdemux.object-hierarchy"></a><h2>Object Hierarchy</h2> 78<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 79 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 80 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 81 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 82 <span class="lineart">╰──</span> GstRtpSsrcDemux 83</pre> 84</div> 85<div class="refsect1"> 86<a name="gst-plugins-good-plugins-rtpssrcdemux.description"></a><h2>Description</h2> 87<p>rtpssrcdemux acts as a demuxer for RTP packets based on the SSRC of the 88packets. Its main purpose is to allow an application to easily receive and 89decode an RTP stream with multiple SSRCs.</p> 90<p>For each SSRC that is detected, a new pad will be created and the 91<a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux-new-ssrc-pad" title="The “new-ssrc-pad” signal"><span class="type">“new-ssrc-pad”</span></a> signal will be emitted. </p> 92<div class="refsect2"> 93<a name="id-1.2.220.7.4"></a><h3>Example pipelines</h3> 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</pre></td> 99 <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> udpsrc caps<span class="gtkdoc opt">=</span><span class="string">"application/x-rtp"</span> <span class="gtkdoc opt">!</span> rtpssrcdemux <span class="gtkdoc opt">!</span> fakesink</pre></td> 100 </tr> 101 </tbody> 102 </table> 103</div> 104 Takes an RTP stream and send the RTP packets with the first detected SSRC 105to fakesink, discarding the other SSRCs. 106</div> 107<div class="refsynopsisdiv"> 108<h2>Synopsis</h2> 109<div class="refsect2"> 110<a name="id-1.2.220.7.5.1"></a><h3>Element Information</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">plugin</span></p></td> 119<td> 120 <a class="link" href="gst-plugins-good-plugins-plugin-rtpmanager.html#plugin-rtpmanager">rtpmanager</a> 121 </td> 122</tr> 123<tr> 124<td><p><span class="term">author</span></p></td> 125<td>Wim Taymans <wim.taymans@gmail.com></td> 126</tr> 127<tr> 128<td><p><span class="term">class</span></p></td> 129<td>Demux/Network/RTP</td> 130</tr> 131</tbody> 132</table></div> 133</div> 134<hr> 135<div class="refsect2"> 136<a name="id-1.2.220.7.5.2"></a><h3>Element Pads</h3> 137<div class="variablelist"><table border="0" class="variablelist"> 138<colgroup> 139<col align="left" valign="top"> 140<col> 141</colgroup> 142<tbody> 143<tr> 144<td><p><span class="term">name</span></p></td> 145<td>rtcp_sink</td> 146</tr> 147<tr> 148<td><p><span class="term">direction</span></p></td> 149<td>sink</td> 150</tr> 151<tr> 152<td><p><span class="term">presence</span></p></td> 153<td>always</td> 154</tr> 155<tr> 156<td><p><span class="term">details</span></p></td> 157<td>application/x-rtcp</td> 158</tr> 159</tbody> 160</table></div> 161<div class="variablelist"><table border="0" class="variablelist"> 162<colgroup> 163<col align="left" valign="top"> 164<col> 165</colgroup> 166<tbody> 167<tr> 168<td><p><span class="term">name</span></p></td> 169<td>sink</td> 170</tr> 171<tr> 172<td><p><span class="term">direction</span></p></td> 173<td>sink</td> 174</tr> 175<tr> 176<td><p><span class="term">presence</span></p></td> 177<td>always</td> 178</tr> 179<tr> 180<td><p><span class="term">details</span></p></td> 181<td>application/x-rtp</td> 182</tr> 183</tbody> 184</table></div> 185<div class="variablelist"><table border="0" class="variablelist"> 186<colgroup> 187<col align="left" valign="top"> 188<col> 189</colgroup> 190<tbody> 191<tr> 192<td><p><span class="term">name</span></p></td> 193<td>rtcp_src_%u</td> 194</tr> 195<tr> 196<td><p><span class="term">direction</span></p></td> 197<td>source</td> 198</tr> 199<tr> 200<td><p><span class="term">presence</span></p></td> 201<td>sometimes</td> 202</tr> 203<tr> 204<td><p><span class="term">details</span></p></td> 205<td>application/x-rtcp</td> 206</tr> 207</tbody> 208</table></div> 209<div class="variablelist"><table border="0" class="variablelist"> 210<colgroup> 211<col align="left" valign="top"> 212<col> 213</colgroup> 214<tbody> 215<tr> 216<td><p><span class="term">name</span></p></td> 217<td>src_%u</td> 218</tr> 219<tr> 220<td><p><span class="term">direction</span></p></td> 221<td>source</td> 222</tr> 223<tr> 224<td><p><span class="term">presence</span></p></td> 225<td>sometimes</td> 226</tr> 227<tr> 228<td><p><span class="term">details</span></p></td> 229<td>application/x-rtp</td> 230</tr> 231</tbody> 232</table></div> 233</div> 234</div> 235</div> 236<div class="refsect1"> 237<a name="gst-plugins-good-plugins-rtpssrcdemux.functions_details"></a><h2>Functions</h2> 238<p></p> 239</div> 240<div class="refsect1"> 241<a name="gst-plugins-good-plugins-rtpssrcdemux.other_details"></a><h2>Types and Values</h2> 242<div class="refsect2"> 243<a name="GstRtpSsrcDemux-struct"></a><h3>struct GstRtpSsrcDemux</h3> 244<pre class="programlisting">struct GstRtpSsrcDemux;</pre> 245</div> 246</div> 247<div class="refsect1"> 248<a name="gst-plugins-good-plugins-rtpssrcdemux.signal-details"></a><h2>Signal Details</h2> 249<div class="refsect2"> 250<a name="GstRtpSsrcDemux-clear-ssrc"></a><h3>The <code class="literal">“clear-ssrc”</code> signal</h3> 251<pre class="programlisting"><span class="returnvalue">void</span> 252user_function (<a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux"><span class="type">GstRtpSsrcDemux</span></a> *demux, 253 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> ssrc, 254 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 255<p>Action signal to remove the pad for SSRC.</p> 256<div class="refsect3"> 257<a name="GstRtpSsrcDemux-clear-ssrc.parameters"></a><h4>Parameters</h4> 258<div class="informaltable"><table class="informaltable" width="100%" border="0"> 259<colgroup> 260<col width="150px" class="parameters_name"> 261<col class="parameters_description"> 262<col width="200px" class="parameters_annotations"> 263</colgroup> 264<tbody> 265<tr> 266<td class="parameter_name"><p>demux</p></td> 267<td class="parameter_description"><p>the object which received the signal</p></td> 268<td class="parameter_annotations"> </td> 269</tr> 270<tr> 271<td class="parameter_name"><p>ssrc</p></td> 272<td class="parameter_description"><p>the SSRC of the pad</p></td> 273<td class="parameter_annotations"> </td> 274</tr> 275<tr> 276<td class="parameter_name"><p>user_data</p></td> 277<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 278<td class="parameter_annotations"> </td> 279</tr> 280</tbody> 281</table></div> 282</div> 283<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS">Action</a></p> 284</div> 285<hr> 286<div class="refsect2"> 287<a name="GstRtpSsrcDemux-new-ssrc-pad"></a><h3>The <code class="literal">“new-ssrc-pad”</code> signal</h3> 288<pre class="programlisting"><span class="returnvalue">void</span> 289user_function (<a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux"><span class="type">GstRtpSsrcDemux</span></a> *demux, 290 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> ssrc, 291 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html#GstPad-struct"><span class="type">GstPad</span></a> *pad, 292 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 293<p>Emited when a new SSRC pad has been created.</p> 294<div class="refsect3"> 295<a name="GstRtpSsrcDemux-new-ssrc-pad.parameters"></a><h4>Parameters</h4> 296<div class="informaltable"><table class="informaltable" width="100%" border="0"> 297<colgroup> 298<col width="150px" class="parameters_name"> 299<col class="parameters_description"> 300<col width="200px" class="parameters_annotations"> 301</colgroup> 302<tbody> 303<tr> 304<td class="parameter_name"><p>demux</p></td> 305<td class="parameter_description"><p>the object which received the signal</p></td> 306<td class="parameter_annotations"> </td> 307</tr> 308<tr> 309<td class="parameter_name"><p>ssrc</p></td> 310<td class="parameter_description"><p>the SSRC of the pad</p></td> 311<td class="parameter_annotations"> </td> 312</tr> 313<tr> 314<td class="parameter_name"><p>pad</p></td> 315<td class="parameter_description"><p>the new pad.</p></td> 316<td class="parameter_annotations"> </td> 317</tr> 318<tr> 319<td class="parameter_name"><p>user_data</p></td> 320<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 321<td class="parameter_annotations"> </td> 322</tr> 323</tbody> 324</table></div> 325</div> 326<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 327</div> 328<hr> 329<div class="refsect2"> 330<a name="GstRtpSsrcDemux-removed-ssrc-pad"></a><h3>The <code class="literal">“removed-ssrc-pad”</code> signal</h3> 331<pre class="programlisting"><span class="returnvalue">void</span> 332user_function (<a class="link" href="gst-plugins-good-plugins-rtpssrcdemux.html#GstRtpSsrcDemux"><span class="type">GstRtpSsrcDemux</span></a> *demux, 333 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> ssrc, 334 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html#GstPad-struct"><span class="type">GstPad</span></a> *pad, 335 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 336<p>Emited when a SSRC pad has been removed.</p> 337<div class="refsect3"> 338<a name="GstRtpSsrcDemux-removed-ssrc-pad.parameters"></a><h4>Parameters</h4> 339<div class="informaltable"><table class="informaltable" width="100%" border="0"> 340<colgroup> 341<col width="150px" class="parameters_name"> 342<col class="parameters_description"> 343<col width="200px" class="parameters_annotations"> 344</colgroup> 345<tbody> 346<tr> 347<td class="parameter_name"><p>demux</p></td> 348<td class="parameter_description"><p>the object which received the signal</p></td> 349<td class="parameter_annotations"> </td> 350</tr> 351<tr> 352<td class="parameter_name"><p>ssrc</p></td> 353<td class="parameter_description"><p>the SSRC of the pad</p></td> 354<td class="parameter_annotations"> </td> 355</tr> 356<tr> 357<td class="parameter_name"><p>pad</p></td> 358<td class="parameter_description"><p>the removed pad.</p></td> 359<td class="parameter_annotations"> </td> 360</tr> 361<tr> 362<td class="parameter_name"><p>user_data</p></td> 363<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 364<td class="parameter_annotations"> </td> 365</tr> 366</tbody> 367</table></div> 368</div> 369<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 370</div> 371</div> 372</div> 373<div class="footer"> 374<hr>Generated by GTK-Doc V1.28</div> 375</body> 376</html>
