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>dvdec: 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-dv1394src.html" title="dv1394src"> 10<link rel="next" href="gst-plugins-good-plugins-dvdemux.html" title="dvdemux"> 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-dvdec.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-good-plugins-dvdec.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#gst-plugins-good-plugins-dvdec.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="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-dv1394src.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-dvdemux.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-dvdec"></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-dvdec.top_of_page"></a>dvdec</span></h2> 32<p>dvdec</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-dvdec.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="gst-plugins-good-plugins-dvdec.html#GstDVDec--clamp-chroma" title="The “clamp-chroma” property">clamp-chroma</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#gboolean"><span class="type">gboolean</span></a></td> 52<td class="property_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec--clamp-luma" title="The “clamp-luma” property">clamp-luma</a></td> 53<td class="property_flags">Read / Write</td> 54</tr> 55<tr> 56<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td> 57<td class="property_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec--drop-factor" title="The “drop-factor” property">drop-factor</a></td> 58<td class="property_flags">Read / Write</td> 59</tr> 60<tr> 61<td class="property_type"><span class="type">GstDVDecQualityEnum</span></td> 62<td class="property_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec--quality" title="The “quality” property">quality</a></td> 63<td class="property_flags">Read / Write</td> 64</tr> 65</tbody> 66</table></div> 67</div> 68<a name="GstDVDec"></a><div class="refsect1"> 69<a name="gst-plugins-good-plugins-dvdec.other"></a><h2>Types and Values</h2> 70<div class="informaltable"><table class="informaltable" width="100%" border="0"> 71<colgroup> 72<col width="150px" class="name"> 73<col class="description"> 74</colgroup> 75<tbody><tr> 76<td class="datatype_keyword">struct</td> 77<td class="function_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec-struct" title="struct GstDVDec">GstDVDec</a></td> 78</tr></tbody> 79</table></div> 80</div> 81<div class="refsect1"> 82<a name="gst-plugins-good-plugins-dvdec.object-hierarchy"></a><h2>Object Hierarchy</h2> 83<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 84 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 85 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 86 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 87 <span class="lineart">╰──</span> GstDVDec 88</pre> 89</div> 90<div class="refsect1"> 91<a name="gst-plugins-good-plugins-dvdec.description"></a><h2>Description</h2> 92<p>dvdec decodes DV video into raw video. The element expects a full DV frame 93as input, which is 120000 bytes for NTSC and 144000 for PAL video.</p> 94<p>This element can perform simple frame dropping with the <a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec--drop-factor" title="The “drop-factor” property"><span class="type">“drop-factor”</span></a> 95property. Setting this property to a value N > 1 will only decode every 96Nth frame.</p> 97<div class="refsect2"> 98<a name="id-1.2.49.7.4"></a><h3>Example launch line</h3> 99<div class="informalexample"> 100 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 101 <tbody> 102 <tr> 103 <td class="listing_lines" align="right"><pre>1</pre></td> 104 <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> filesrc location<span class="gtkdoc opt">=</span>test<span class="gtkdoc opt">.</span>dv <span class="gtkdoc opt">!</span> dvdemux name<span class="gtkdoc opt">=</span>demux <span class="gtkdoc opt">!</span> dvdec <span class="gtkdoc opt">!</span> xvimagesink</pre></td> 105 </tr> 106 </tbody> 107 </table> 108</div> 109 This pipeline decodes and renders the raw DV stream to a videosink. 110</div> 111<div class="refsynopsisdiv"> 112<h2>Synopsis</h2> 113<div class="refsect2"> 114<a name="id-1.2.49.7.5.1"></a><h3>Element Information</h3> 115<div class="variablelist"><table border="0" class="variablelist"> 116<colgroup> 117<col align="left" valign="top"> 118<col> 119</colgroup> 120<tbody> 121<tr> 122<td><p><span class="term">plugin</span></p></td> 123<td> 124 <a class="link" href="gst-plugins-good-plugins-plugin-dv.html#plugin-dv">dv</a> 125 </td> 126</tr> 127<tr> 128<td><p><span class="term">author</span></p></td> 129<td>Erik Walthinsen <omega@cse.ogi.edu>,Wim Taymans <wim@fluendo.com></td> 130</tr> 131<tr> 132<td><p><span class="term">class</span></p></td> 133<td>Codec/Decoder/Video</td> 134</tr> 135</tbody> 136</table></div> 137</div> 138<hr> 139<div class="refsect2"> 140<a name="id-1.2.49.7.5.2"></a><h3>Element Pads</h3> 141<div class="variablelist"><table border="0" class="variablelist"> 142<colgroup> 143<col align="left" valign="top"> 144<col> 145</colgroup> 146<tbody> 147<tr> 148<td><p><span class="term">name</span></p></td> 149<td>sink</td> 150</tr> 151<tr> 152<td><p><span class="term">direction</span></p></td> 153<td>sink</td> 154</tr> 155<tr> 156<td><p><span class="term">presence</span></p></td> 157<td>always</td> 158</tr> 159<tr> 160<td><p><span class="term">details</span></p></td> 161<td>video/x-dv, systemstream=(boolean)false</td> 162</tr> 163</tbody> 164</table></div> 165<div class="variablelist"><table border="0" class="variablelist"> 166<colgroup> 167<col align="left" valign="top"> 168<col> 169</colgroup> 170<tbody> 171<tr> 172<td><p><span class="term">name</span></p></td> 173<td>src</td> 174</tr> 175<tr> 176<td><p><span class="term">direction</span></p></td> 177<td>source</td> 178</tr> 179<tr> 180<td><p><span class="term">presence</span></p></td> 181<td>always</td> 182</tr> 183<tr> 184<td><p><span class="term">details</span></p></td> 185<td>video/x-raw, format=(string){ YUY2, BGRx, RGB }, framerate=(fraction)[ 1/1, 60/1 ], width=(int)720, height=(int){ 576, 480 }</td> 186</tr> 187</tbody> 188</table></div> 189</div> 190</div> 191</div> 192<div class="refsect1"> 193<a name="gst-plugins-good-plugins-dvdec.functions_details"></a><h2>Functions</h2> 194<p></p> 195</div> 196<div class="refsect1"> 197<a name="gst-plugins-good-plugins-dvdec.other_details"></a><h2>Types and Values</h2> 198<div class="refsect2"> 199<a name="GstDVDec-struct"></a><h3>struct GstDVDec</h3> 200<pre class="programlisting">struct GstDVDec;</pre> 201</div> 202</div> 203<div class="refsect1"> 204<a name="gst-plugins-good-plugins-dvdec.property-details"></a><h2>Property Details</h2> 205<div class="refsect2"> 206<a name="GstDVDec--clamp-chroma"></a><h3>The <code class="literal">“clamp-chroma”</code> property</h3> 207<pre class="programlisting"> “clamp-chroma” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 208<p>Clamp chroma.</p> 209<p>Flags: Read / Write</p> 210<p>Default value: FALSE</p> 211</div> 212<hr> 213<div class="refsect2"> 214<a name="GstDVDec--clamp-luma"></a><h3>The <code class="literal">“clamp-luma”</code> property</h3> 215<pre class="programlisting"> “clamp-luma” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> 216<p>Clamp luma.</p> 217<p>Flags: Read / Write</p> 218<p>Default value: FALSE</p> 219</div> 220<hr> 221<div class="refsect2"> 222<a name="GstDVDec--drop-factor"></a><h3>The <code class="literal">“drop-factor”</code> property</h3> 223<pre class="programlisting"> “drop-factor” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre> 224<p>Only decode Nth frame.</p> 225<p>Flags: Read / Write</p> 226<p>Allowed values: >= 1</p> 227<p>Default value: 1</p> 228</div> 229<hr> 230<div class="refsect2"> 231<a name="GstDVDec--quality"></a><h3>The <code class="literal">“quality”</code> property</h3> 232<pre class="programlisting"> “quality” <span class="type">GstDVDecQualityEnum</span></pre> 233<p>Decoding quality.</p> 234<p>Flags: Read / Write</p> 235<p>Default value: Highest quality colour decoding</p> 236</div> 237</div> 238</div> 239<div class="footer"> 240<hr>Generated by GTK-Doc V1.28</div> 241</body> 242</html>
