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>webrtcechoprobe: 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-webrtcdsp.html" title="webrtcdsp"> 10<link rel="next" href="gst-plugins-bad-plugins-webvttenc.html" title="webvttenc"> 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-webrtcechoprobe.description" class="shortcut">Description</a></span> 19</td> 20<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 21<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 22<td><a accesskey="p" href="gst-plugins-bad-plugins-webrtcdsp.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 23<td><a accesskey="n" href="gst-plugins-bad-plugins-webvttenc.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 24</tr></table> 25<div class="refentry"> 26<a name="gst-plugins-bad-plugins-webrtcechoprobe"></a><div class="titlepage"></div> 27<div class="refnamediv"><table width="100%"><tr> 28<td valign="top"> 29<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-webrtcechoprobe.top_of_page"></a>webrtcechoprobe</span></h2> 30<p>webrtcechoprobe</p> 31</td> 32<td class="gallery_image" valign="top" align="right"></td> 33</tr></table></div> 34<div class="refsect1"> 35<a name="gst-plugins-bad-plugins-webrtcechoprobe.other"></a><h2>Types and Values</h2> 36<div class="informaltable"><table class="informaltable" width="100%" border="0"> 37<colgroup> 38<col width="150px" class="name"> 39<col class="description"> 40</colgroup> 41<tbody><tr> 42<td class="datatype_keyword">struct</td> 43<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-webrtcechoprobe.html#GstWebrtcEchoProbe" title="struct GstWebrtcEchoProbe">GstWebrtcEchoProbe</a></td> 44</tr></tbody> 45</table></div> 46</div> 47<div class="refsect1"> 48<a name="gst-plugins-bad-plugins-webrtcechoprobe.description"></a><h2>Description</h2> 49<p>This echo probe is to be used with the webrtcdsp element. See <a class="link" href="gst-plugins-bad-plugins-webrtcdsp.html" title="webrtcdsp"><span class="type">gst-plugins-bad-plugins-webrtcdsp</span></a> 50documentation for more details.</p> 51<div class="refsynopsisdiv"> 52<h2>Synopsis</h2> 53<div class="refsect2"> 54<a name="id-1.2.255.4.3.1"></a><h3>Element Information</h3> 55<div class="variablelist"><table border="0" class="variablelist"> 56<colgroup> 57<col align="left" valign="top"> 58<col> 59</colgroup> 60<tbody> 61<tr> 62<td><p><span class="term">plugin</span></p></td> 63<td> 64 <a class="link" href="gst-plugins-bad-plugins-plugin-webrtcdsp.html#plugin-webrtcdsp">webrtcdsp</a> 65 </td> 66</tr> 67<tr> 68<td><p><span class="term">author</span></p></td> 69<td>Nicolas Dufresne <nicolas.dufrsesne@collabora.com></td> 70</tr> 71<tr> 72<td><p><span class="term">class</span></p></td> 73<td>Generic/Audio</td> 74</tr> 75</tbody> 76</table></div> 77</div> 78<hr> 79<div class="refsect2"> 80<a name="id-1.2.255.4.3.2"></a><h3>Element Pads</h3> 81<div class="variablelist"><table border="0" class="variablelist"> 82<colgroup> 83<col align="left" valign="top"> 84<col> 85</colgroup> 86<tbody> 87<tr> 88<td><p><span class="term">name</span></p></td> 89<td>sink</td> 90</tr> 91<tr> 92<td><p><span class="term">direction</span></p></td> 93<td>sink</td> 94</tr> 95<tr> 96<td><p><span class="term">presence</span></p></td> 97<td>always</td> 98</tr> 99<tr> 100<td><p><span class="term">details</span></p></td> 101<td>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</td> 102</tr> 103</tbody> 104</table></div> 105<div class="variablelist"><table border="0" class="variablelist"> 106<colgroup> 107<col align="left" valign="top"> 108<col> 109</colgroup> 110<tbody> 111<tr> 112<td><p><span class="term">name</span></p></td> 113<td>src</td> 114</tr> 115<tr> 116<td><p><span class="term">direction</span></p></td> 117<td>source</td> 118</tr> 119<tr> 120<td><p><span class="term">presence</span></p></td> 121<td>always</td> 122</tr> 123<tr> 124<td><p><span class="term">details</span></p></td> 125<td>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</td> 126</tr> 127</tbody> 128</table></div> 129</div> 130</div> 131</div> 132<div class="refsect1"> 133<a name="gst-plugins-bad-plugins-webrtcechoprobe.functions_details"></a><h2>Functions</h2> 134<p></p> 135</div> 136<div class="refsect1"> 137<a name="gst-plugins-bad-plugins-webrtcechoprobe.other_details"></a><h2>Types and Values</h2> 138<div class="refsect2"> 139<a name="GstWebrtcEchoProbe"></a><h3>struct GstWebrtcEchoProbe</h3> 140<pre class="programlisting">struct GstWebrtcEchoProbe { 141 GstAudioFilter parent; 142 143 /* This lock is required as the DSP may need to lock itself using it's 144 * object lock and also lock the probe. The natural order for the DSP is 145 * to lock the DSP and then the echo probe. If we where using the probe 146 * object lock, we'd be racing with GstBin which will lock sink to src, 147 * and may accidently reverse the order. */ 148 GMutex lock; 149 150 /* Protected by the lock */ 151 GstAudioInfo info; 152 guint period_size; 153 guint period_samples; 154 GstClockTime latency; 155 gint delay; 156 gboolean interleaved; 157 158 GstSegment segment; 159 GstAdapter *adapter; 160 GstPlanarAudioAdapter *padapter; 161 162 /* Private */ 163 gboolean acquired; 164}; 165</pre> 166<p>The adder object structure.</p> 167</div> 168</div> 169</div> 170<div class="footer"> 171<hr>Generated by GTK-Doc V1.28</div> 172</body> 173</html>
