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>GstVideoDirection: 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="GstColorBalanceChannel.html" title="GstColorBalanceChannel"> 10<link rel="next" href="GstVideoOrientation.html" title="GstVideoOrientation"> 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="#GstVideoDirection.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#GstVideoDirection.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#GstVideoDirection.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="GstColorBalanceChannel.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="GstVideoOrientation.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="GstVideoDirection"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="GstVideoDirection.top_of_page"></a>GstVideoDirection</span></h2> 32<p>GstVideoDirection — Interface for elements providing video 33rotation and flipping controls</p> 34</td> 35<td class="gallery_image" valign="top" align="right"></td> 36</tr></table></div> 37<div class="refsect1"> 38<a name="GstVideoDirection.properties"></a><h2>Properties</h2> 39<div class="informaltable"><table class="informaltable" border="0"> 40<colgroup> 41<col width="150px" class="properties_type"> 42<col width="300px" class="properties_name"> 43<col width="200px" class="properties_flags"> 44</colgroup> 45<tbody><tr> 46<td class="property_type"><a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoOrientationMethod" title="enum GstVideoOrientationMethod"><span class="type">GstVideoOrientationMethod</span></a></td> 47<td class="property_name"><a class="link" href="GstVideoDirection.html#GstVideoDirection--video-direction" title="The “video-direction” property">video-direction</a></td> 48<td class="property_flags">Read / Write / Construct</td> 49</tr></tbody> 50</table></div> 51</div> 52<div class="refsect1"> 53<a name="GstVideoDirection.other"></a><h2>Types and Values</h2> 54<div class="informaltable"><table class="informaltable" width="100%" border="0"> 55<colgroup> 56<col width="150px" class="name"> 57<col class="description"> 58</colgroup> 59<tbody> 60<tr> 61<td class="datatype_keyword"> </td> 62<td class="function_name"><a class="link" href="GstVideoDirection.html#GstVideoDirection-struct" title="GstVideoDirection">GstVideoDirection</a></td> 63</tr> 64<tr> 65<td class="datatype_keyword">struct</td> 66<td class="function_name"><a class="link" href="GstVideoDirection.html#GstVideoDirectionInterface" title="struct GstVideoDirectionInterface">GstVideoDirectionInterface</a></td> 67</tr> 68</tbody> 69</table></div> 70</div> 71<div class="refsect1"> 72<a name="GstVideoDirection.object-hierarchy"></a><h2>Object Hierarchy</h2> 73<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a> 74 <span class="lineart">╰──</span> GstVideoDirection 75</pre> 76</div> 77<div class="refsect1"> 78<a name="GstVideoDirection.includes"></a><h2>Includes</h2> 79<pre class="synopsis">#include <gst/video/video.h> 80</pre> 81</div> 82<div class="refsect1"> 83<a name="GstVideoDirection.description"></a><h2>Description</h2> 84<p>The interface allows unified access to control flipping and rotation 85operations of video-sources or operators.</p> 86</div> 87<div class="refsect1"> 88<a name="GstVideoDirection.functions_details"></a><h2>Functions</h2> 89<p></p> 90</div> 91<div class="refsect1"> 92<a name="GstVideoDirection.other_details"></a><h2>Types and Values</h2> 93<div class="refsect2"> 94<a name="GstVideoDirection-struct"></a><h3>GstVideoDirection</h3> 95<pre class="programlisting">typedef struct _GstVideoDirection GstVideoDirection;</pre> 96<p>Opaque <a class="link" href="GstVideoDirection.html" title="GstVideoDirection"><span class="type">GstVideoDirection</span></a> data structure.</p> 97<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 98</div> 99<hr> 100<div class="refsect2"> 101<a name="GstVideoDirectionInterface"></a><h3>struct GstVideoDirectionInterface</h3> 102<pre class="programlisting">struct GstVideoDirectionInterface { 103 GTypeInterface iface; 104}; 105</pre> 106<p><a class="link" href="GstVideoDirection.html#GstVideoDirectionInterface" title="struct GstVideoDirectionInterface"><span class="type">GstVideoDirectionInterface</span></a> interface.</p> 107<div class="refsect3"> 108<a name="GstVideoDirectionInterface.members"></a><h4>Members</h4> 109<div class="informaltable"><table class="informaltable" width="100%" border="0"> 110<colgroup> 111<col width="300px" class="struct_members_name"> 112<col class="struct_members_description"> 113<col width="200px" class="struct_members_annotations"> 114</colgroup> 115<tbody><tr> 116<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="GstVideoDirectionInterface.iface"></a>iface</code></em>;</p></td> 117<td class="struct_member_description"><p>parent interface type.</p></td> 118<td class="struct_member_annotations"> </td> 119</tr></tbody> 120</table></div> 121</div> 122<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 123</div> 124</div> 125<div class="refsect1"> 126<a name="GstVideoDirection.property-details"></a><h2>Property Details</h2> 127<div class="refsect2"> 128<a name="GstVideoDirection--video-direction"></a><h3>The <code class="literal">“video-direction”</code> property</h3> 129<pre class="programlisting"> “video-direction” <a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoOrientationMethod" title="enum GstVideoOrientationMethod"><span class="type">GstVideoOrientationMethod</span></a></pre> 130<p>Video direction: rotation and flipping.</p> 131<p>Flags: Read / Write / Construct</p> 132<p>Default value: GST_VIDEO_ORIENTATION_IDENTITY</p> 133</div> 134</div> 135</div> 136<div class="footer"> 137<hr>Generated by GTK-Doc V1.28</div> 138</body> 139</html>