blob: 99403277ec5586dba7ea9c09993f367740ac5a28 [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>dvdec: GStreamer Good Plugins 1.0 Plugins Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="GStreamer Good Plugins 1.0 Plugins Reference Manual">
<link rel="up" href="ch01.html" title="gst-plugins-good Elements">
<link rel="prev" href="gst-plugins-good-plugins-dv1394src.html" title="dv1394src">
<link rel="next" href="gst-plugins-good-plugins-dvdemux.html" title="dvdemux">
<meta name="generator" content="GTK-Doc V1.25 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
<a href="#gst-plugins-good-plugins-dvdec.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
<a href="#gst-plugins-good-plugins-dvdec.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties">  <span class="dim">|</span> 
<a href="#gst-plugins-good-plugins-dvdec.properties" class="shortcut">Properties</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<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>
<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>
</tr></table>
<div class="refentry">
<a name="gst-plugins-good-plugins-dvdec"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-dvdec.top_of_page"></a>dvdec</span></h2>
<p>dvdec</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<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>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<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>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<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>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstDVDecQualityEnum</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec--quality" title="The “quality” property">quality</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstDVDec"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-dvdec.html#GstDVDec-struct" title="struct GstDVDec">GstDVDec</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> GstDVDec
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.description"></a><h2>Description</h2>
<p>dvdec decodes DV video into raw video. The element expects a full DV frame
as input, which is 120000 bytes for NTSC and 144000 for PAL video.</p>
<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>
property. Setting this property to a value N &gt; 1 will only decode every
Nth frame.</p>
<div class="refsect2">
<a name="id-1.2.49.7.4"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<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>
</tr>
</tbody>
</table>
</div>
This pipeline decodes and renders the raw DV stream to a videosink.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.49.7.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-dv.html#plugin-dv">dv</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Erik Walthinsen &lt;omega@cse.ogi.edu&gt;,Wim Taymans &lt;wim@fluendo.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Decoder/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.49.7.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-dv, systemstream=(boolean)false</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw, format=(string){ YUY2, BGRx, RGB }, framerate=(fraction)[ 1/1, 60/1 ], width=(int)720, height=(int){ 576, 480 }</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstDVDec-struct"></a><h3>struct GstDVDec</h3>
<pre class="programlisting">struct GstDVDec;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-dvdec.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstDVDec--clamp-chroma"></a><h3>The <code class="literal">“clamp-chroma”</code> property</h3>
<pre class="programlisting"> “clamp-chroma” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Clamp chroma.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDVDec--clamp-luma"></a><h3>The <code class="literal">“clamp-luma”</code> property</h3>
<pre class="programlisting"> “clamp-luma” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Clamp luma.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDVDec--drop-factor"></a><h3>The <code class="literal">“drop-factor”</code> property</h3>
<pre class="programlisting"> “drop-factor” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Only decode Nth frame.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 1</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstDVDec--quality"></a><h3>The <code class="literal">“quality”</code> property</h3>
<pre class="programlisting"> “quality” <span class="type">GstDVDecQualityEnum</span></pre>
<p>Decoding quality.</p>
<p>Flags: Read / Write</p>
<p>Default value: Highest quality colour decoding</p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.25</div>
</body>
</html>