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>GstVideoAggregatorPad: GStreamer Base Plugins 1.0 Library Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> 8<link rel="up" href="gstreamer-video.html" title="Video Library"> 9<link rel="prev" href="GstVideoAggregator.html" title="GstVideoAggregator"> 10<link rel="next" href="gst-plugins-base-libs-GstVideoOverlayRectangle.html" title="GstVideoOverlayRectangle"> 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="#GstVideoAggregatorPad.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#GstVideoAggregatorPad.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#GstVideoAggregatorPad.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="gstreamer-video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 24<td><a accesskey="p" href="GstVideoAggregator.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="gst-plugins-base-libs-GstVideoOverlayRectangle.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="GstVideoAggregatorPad"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="GstVideoAggregatorPad.top_of_page"></a>GstVideoAggregatorPad</span></h2> 32<p>GstVideoAggregatorPad</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="GstVideoAggregatorPad.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="GstVideoAggregatorPad.html#GstVideoAggregatorPad--repeat-after-eos" title="The “repeat-after-eos” property">repeat-after-eos</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#guint"><span class="type">guint</span></a></td> 52<td class="property_name"><a class="link" href="GstVideoAggregatorPad.html#GstVideoAggregatorPad--zorder" title="The “zorder” property">zorder</a></td> 53<td class="property_flags">Read / Write</td> 54</tr> 55</tbody> 56</table></div> 57</div> 58<div class="refsect1"> 59<a name="GstVideoAggregatorPad.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> 66<tr> 67<td class="datatype_keyword">struct</td> 68<td class="function_name"><a class="link" href="GstVideoAggregatorPad.html#GstVideoAggregatorPad-struct" title="struct GstVideoAggregatorPad">GstVideoAggregatorPad</a></td> 69</tr> 70<tr> 71<td class="datatype_keyword">struct</td> 72<td class="function_name"><a class="link" href="GstVideoAggregatorPad.html#GstVideoAggregatorPadClass" title="struct GstVideoAggregatorPadClass">GstVideoAggregatorPadClass</a></td> 73</tr> 74</tbody> 75</table></div> 76</div> 77<div class="refsect1"> 78<a name="GstVideoAggregatorPad.object-hierarchy"></a><h2>Object Hierarchy</h2> 79<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 80 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 81 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 82 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html#GstPad-struct">GstPad</a> 83 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstAggregatorPad.html#GstAggregatorPad-struct">GstAggregatorPad</a> 84 <span class="lineart">╰──</span> GstVideoAggregatorPad 85</pre> 86</div> 87<div class="refsect1"> 88<a name="GstVideoAggregatorPad.includes"></a><h2>Includes</h2> 89<pre class="synopsis">#include <gst/video/video.h> 90</pre> 91</div> 92<div class="refsect1"> 93<a name="GstVideoAggregatorPad.description"></a><h2>Description</h2> 94</div> 95<div class="refsect1"> 96<a name="GstVideoAggregatorPad.functions_details"></a><h2>Functions</h2> 97<p></p> 98</div> 99<div class="refsect1"> 100<a name="GstVideoAggregatorPad.other_details"></a><h2>Types and Values</h2> 101<div class="refsect2"> 102<a name="GstVideoAggregatorPad-struct"></a><h3>struct GstVideoAggregatorPad</h3> 103<pre class="programlisting">struct GstVideoAggregatorPad { 104 /* read-only, with OBJECT_LOCK */ 105 GstVideoInfo info; 106}; 107</pre> 108<div class="refsect3"> 109<a name="GstVideoAggregatorPad.members"></a><h4>Members</h4> 110<div class="informaltable"><table class="informaltable" width="100%" border="0"> 111<colgroup> 112<col width="300px" class="struct_members_name"> 113<col class="struct_members_description"> 114<col width="200px" class="struct_members_annotations"> 115</colgroup> 116<tbody><tr> 117<td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPad-struct.info"></a>info</code></em>;</p></td> 118<td class="struct_member_description"><p>The <a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a> currently set on the pad</p></td> 119<td class="struct_member_annotations"> </td> 120</tr></tbody> 121</table></div> 122</div> 123<p class="since">Since: <a class="link" href="ix03.html#api-index-1.16">1.16</a></p> 124</div> 125<hr> 126<div class="refsect2"> 127<a name="GstVideoAggregatorPadClass"></a><h3>struct GstVideoAggregatorPadClass</h3> 128<pre class="programlisting">struct GstVideoAggregatorPadClass { 129 GstAggregatorPadClass parent_class; 130 void (*update_conversion_info) (GstVideoAggregatorPad * pad); 131 132 gboolean (*prepare_frame) (GstVideoAggregatorPad * pad, 133 GstVideoAggregator * videoaggregator, 134 GstBuffer * buffer, 135 GstVideoFrame * prepared_frame); 136 137 void (*clean_frame) (GstVideoAggregatorPad * pad, 138 GstVideoAggregator * videoaggregator, 139 GstVideoFrame * prepared_frame); 140 141 gpointer _gst_reserved[GST_PADDING_LARGE]; 142}; 143</pre> 144<div class="refsect3"> 145<a name="GstVideoAggregatorPadClass.members"></a><h4>Members</h4> 146<div class="informaltable"><table class="informaltable" width="100%" border="0"> 147<colgroup> 148<col width="300px" class="struct_members_name"> 149<col class="struct_members_description"> 150<col width="200px" class="struct_members_annotations"> 151</colgroup> 152<tbody> 153<tr> 154<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoAggregatorPadClass.update-conversion-info"></a>update_conversion_info</code></em> ()</p></td> 155<td class="struct_member_description"><p>Called when either the input or output formats 156have changed.</p></td> 157<td class="struct_member_annotations"> </td> 158</tr> 159<tr> 160<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoAggregatorPadClass.prepare-frame"></a>prepare_frame</code></em> ()</p></td> 161<td class="struct_member_description"><p>Prepare the frame from the pad buffer and sets it to prepared_frame</p></td> 162<td class="struct_member_annotations"> </td> 163</tr> 164<tr> 165<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoAggregatorPadClass.clean-frame"></a>clean_frame</code></em> ()</p></td> 166<td class="struct_member_description"><p>clean the frame previously prepared in prepare_frame</p></td> 167<td class="struct_member_annotations"> </td> 168</tr> 169<tr> 170<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> <em class="structfield"><code><a name="GstVideoAggregatorPadClass.-gst-reserved"></a>_gst_reserved</code></em>[GST_PADDING_LARGE];</p></td> 171<td> </td> 172<td> </td> 173</tr> 174</tbody> 175</table></div> 176</div> 177<p class="since">Since: <a class="link" href="ix03.html#api-index-1.16">1.16</a></p> 178</div> 179</div> 180<div class="refsect1"> 181<a name="GstVideoAggregatorPad.property-details"></a><h2>Property Details</h2> 182<div class="refsect2"> 183<a name="GstVideoAggregatorPad--repeat-after-eos"></a><h3>The <code class="literal">“repeat-after-eos”</code> property</h3> 184<pre class="programlisting"> “repeat-after-eos” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 185<p>Repeat the last frame after EOS until all pads are EOS.</p> 186<p>Flags: Read / Write</p> 187<p>Default value: FALSE</p> 188</div> 189<hr> 190<div class="refsect2"> 191<a name="GstVideoAggregatorPad--zorder"></a><h3>The <code class="literal">“zorder”</code> property</h3> 192<pre class="programlisting"> “zorder” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 193<p>Z Order of the picture.</p> 194<p>Flags: Read / Write</p> 195<p>Default value: 0</p> 196</div> 197</div> 198</div> 199<div class="footer"> 200<hr>Generated by GTK-Doc V1.28</div> 201</body> 202</html>