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>pngenc: 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-pngdec.html" title="pngdec"> 10<link rel="next" href="gst-plugins-good-plugins-progressreport.html" title="progressreport"> 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-pngenc.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-good-plugins-pngenc.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> 20 <a href="#gst-plugins-good-plugins-pngenc.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span> 21 <a href="#gst-plugins-good-plugins-pngenc.properties" class="shortcut">Properties</a></span> 22</td> 23<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 24<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 25<td><a accesskey="p" href="gst-plugins-good-plugins-pngdec.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 26<td><a accesskey="n" href="gst-plugins-good-plugins-progressreport.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 27</tr></table> 28<div class="refentry"> 29<a name="gst-plugins-good-plugins-pngenc"></a><div class="titlepage"></div> 30<div class="refnamediv"><table width="100%"><tr> 31<td valign="top"> 32<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-pngenc.top_of_page"></a>pngenc</span></h2> 33<p>pngenc</p> 34</td> 35<td class="gallery_image" valign="top" align="right"></td> 36</tr></table></div> 37<div class="refsect1"> 38<a name="gst-plugins-good-plugins-pngenc.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> 46<tr> 47<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td> 48<td class="property_name"><a class="link" href="gst-plugins-good-plugins-pngenc.html#GstPngEnc--compression-level" title="The “compression-level” property">compression-level</a></td> 49<td class="property_flags">Read / Write</td> 50</tr> 51<tr> 52<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> 53<td class="property_name"><a class="link" href="gst-plugins-good-plugins-pngenc.html#GstPngEnc--snapshot" title="The “snapshot” property">snapshot</a></td> 54<td class="property_flags">Read / Write</td> 55</tr> 56</tbody> 57</table></div> 58</div> 59<a name="GstPngEnc"></a><div class="refsect1"> 60<a name="gst-plugins-good-plugins-pngenc.other"></a><h2>Types and Values</h2> 61<div class="informaltable"><table class="informaltable" width="100%" border="0"> 62<colgroup> 63<col width="150px" class="name"> 64<col class="description"> 65</colgroup> 66<tbody><tr> 67<td class="datatype_keyword">struct</td> 68<td class="function_name"><a class="link" href="gst-plugins-good-plugins-pngenc.html#GstPngEnc-struct" title="struct GstPngEnc">GstPngEnc</a></td> 69</tr></tbody> 70</table></div> 71</div> 72<div class="refsect1"> 73<a name="gst-plugins-good-plugins-pngenc.object-hierarchy"></a><h2>Object Hierarchy</h2> 74<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 75 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 76 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 77 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 78 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/GstVideoEncoder.html#GstVideoEncoder-struct">GstVideoEncoder</a> 79 <span class="lineart">╰──</span> GstPngEnc 80</pre> 81</div> 82<div class="refsect1"> 83<a name="gst-plugins-good-plugins-pngenc.implemented-interfaces"></a><h2>Implemented Interfaces</h2> 84<p> 85GstPngEnc implements 86 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPreset.html#GstPreset-struct">GstPreset</a>.</p> 87</div> 88<div class="refsect1"> 89<a name="gst-plugins-good-plugins-pngenc.description"></a><h2>Description</h2> 90<p>Encodes png images.</p> 91<div class="refsynopsisdiv"> 92<h2>Synopsis</h2> 93<div class="refsect2"> 94<a name="id-1.2.114.8.3.1"></a><h3>Element Information</h3> 95<div class="variablelist"><table border="0" class="variablelist"> 96<colgroup> 97<col align="left" valign="top"> 98<col> 99</colgroup> 100<tbody> 101<tr> 102<td><p><span class="term">plugin</span></p></td> 103<td> 104 <a class="link" href="gst-plugins-good-plugins-plugin-png.html#plugin-png">png</a> 105 </td> 106</tr> 107<tr> 108<td><p><span class="term">author</span></p></td> 109<td>Jeremy SIMON <jsimon13@yahoo.fr></td> 110</tr> 111<tr> 112<td><p><span class="term">class</span></p></td> 113<td>Codec/Encoder/Image</td> 114</tr> 115</tbody> 116</table></div> 117</div> 118<hr> 119<div class="refsect2"> 120<a name="id-1.2.114.8.3.2"></a><h3>Element Pads</h3> 121<div class="variablelist"><table border="0" class="variablelist"> 122<colgroup> 123<col align="left" valign="top"> 124<col> 125</colgroup> 126<tbody> 127<tr> 128<td><p><span class="term">name</span></p></td> 129<td>sink</td> 130</tr> 131<tr> 132<td><p><span class="term">direction</span></p></td> 133<td>sink</td> 134</tr> 135<tr> 136<td><p><span class="term">presence</span></p></td> 137<td>always</td> 138</tr> 139<tr> 140<td><p><span class="term">details</span></p></td> 141<td>video/x-raw, format=(string){ RGBA, RGB, GRAY8, GRAY16_BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 142</tr> 143</tbody> 144</table></div> 145<div class="variablelist"><table border="0" class="variablelist"> 146<colgroup> 147<col align="left" valign="top"> 148<col> 149</colgroup> 150<tbody> 151<tr> 152<td><p><span class="term">name</span></p></td> 153<td>src</td> 154</tr> 155<tr> 156<td><p><span class="term">direction</span></p></td> 157<td>source</td> 158</tr> 159<tr> 160<td><p><span class="term">presence</span></p></td> 161<td>always</td> 162</tr> 163<tr> 164<td><p><span class="term">details</span></p></td> 165<td>image/png, width=(int)[ 16, 1000000 ], height=(int)[ 16, 1000000 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 166</tr> 167</tbody> 168</table></div> 169</div> 170</div> 171</div> 172<div class="refsect1"> 173<a name="gst-plugins-good-plugins-pngenc.functions_details"></a><h2>Functions</h2> 174<p></p> 175</div> 176<div class="refsect1"> 177<a name="gst-plugins-good-plugins-pngenc.other_details"></a><h2>Types and Values</h2> 178<div class="refsect2"> 179<a name="GstPngEnc-struct"></a><h3>struct GstPngEnc</h3> 180<pre class="programlisting">struct GstPngEnc;</pre> 181</div> 182</div> 183<div class="refsect1"> 184<a name="gst-plugins-good-plugins-pngenc.property-details"></a><h2>Property Details</h2> 185<div class="refsect2"> 186<a name="GstPngEnc--compression-level"></a><h3>The <code class="literal">“compression-level”</code> property</h3> 187<pre class="programlisting"> “compression-level” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre> 188<p>PNG compression level.</p> 189<p>Flags: Read / Write</p> 190<p>Allowed values: <= 9</p> 191<p>Default value: 6</p> 192</div> 193<hr> 194<div class="refsect2"> 195<a name="GstPngEnc--snapshot"></a><h3>The <code class="literal">“snapshot”</code> property</h3> 196<pre class="programlisting"> “snapshot” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 197<p>Send EOS after encoding a frame, useful for snapshots.</p> 198<p>Flags: Read / Write</p> 199<p>Default value: FALSE</p> 200</div> 201</div> 202</div> 203<div class="footer"> 204<hr>Generated by GTK-Doc V1.28</div> 205</body> 206</html>
