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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>13.2.Selecting input file or device</title><link rel="stylesheet" href="default.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.68.1"><link rel="start" href="index.html" title="MPlayer - The Movie Player"><link rel="up" href="mencoder.html" title="Chapter13.Basic usage of MEncoder"><link rel="prev" href="menc-feat-selecting-codec.html" title="13.1.Selecting codecs and container formats"><link rel="next" href="menc-feat-mpeg4.html" title='13.3.Encoding two pass MPEG-4 ("DivX")'><link rel="preface" href="howtoread.html" title="How to read this documentation"><link rel="chapter" href="intro.html" title="Chapter1.Introduction"><link rel="chapter" href="install.html" title="Chapter2.Installation"><link rel="chapter" href="usage.html" title="Chapter3.Usage"><link rel="chapter" href="cd-dvd.html" title="Chapter4.CD/DVD usage"><link rel="chapter" href="faq.html" title="Chapter5.Frequently Asked Questions"><link rel="chapter" href="containers.html" title="Chapter6.Containers"><link rel="chapter" href="codecs.html" title="Chapter7.Codecs"><link rel="chapter" href="video.html" title="Chapter8.Video output devices"><link rel="chapter" href="audio.html" title="Chapter9.Audio output devices"><link rel="chapter" href="tv.html" title="Chapter10.TV"><link rel="chapter" href="radio.html" title="Chapter11.Radio"><link rel="chapter" href="ports.html" title="Chapter12.Ports"><link rel="chapter" href="mencoder.html" title="Chapter13.Basic usage of MEncoder"><link rel="chapter" href="encoding-guide.html" title="Chapter14.Encoding with MEncoder"><link rel="appendix" href="bugreports.html" title="AppendixA.How to report bugs"><link rel="appendix" href="bugs.html" title="AppendixB.Known bugs"><link rel="appendix" href="skin.html" title="AppendixC.MPlayer skin format"><link rel="appendix" href="history.html" title="AppendixD.History"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">13.2.Selecting input file or device</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="menc-feat-selecting-codec.html">Prev</a></td><th width="60%" align="center">Chapter13.Basic usage of <span class="application">MEncoder</span></th><td width="20%" align="right"><a accesskey="n" href="menc-feat-mpeg4.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="menc-feat-selecting-input"></a>13.2.Selecting input file or device</h2></div></div></div><p>
<span class="application">MEncoder</span> can encode from files or directly
from a DVD or VCD disc.
Simply include the filename on the command line to encode from a file,
or <tt class="option">dvd://</tt><em class="replaceable"><code>titlenumber</code></em> or
<tt class="option">vcd://</tt><em class="replaceable"><code>tracknumber</code></em> to encode
from a DVD title or VCD track.
If you have already copied a DVD to your hard drive (you can use a tool
such as <span class="application">dvdbackup</span>, available on most systems),
and wish to encode from the copy, you should still use the
<tt class="option">dvd://</tt> syntax, along with <tt class="option">-dvd-device</tt>
followed by the path to the copied DVD root.
The <tt class="option">-dvd-device</tt> and <tt class="option">-cdrom-device</tt>
options can also be used to override the paths to the device nodes
for reading directly from disc, if the defaults of
<tt class="filename">/dev/dvd</tt> and <tt class="filename">/dev/cdrom</tt> do
not work on your system.
</p><p>
When encoding from DVD, it is often desirable to select a chapter or
range of chapters to encode.
You can use the <tt class="option">-chapter</tt> option for this purpose.
For example, <tt class="option">-chapter</tt> <em class="replaceable"><code>1-4</code></em>
will only encode chapters 1 through 4 from the DVD.
This is especially useful if you will be making a 1400 MB encode
targetted for two CDs, since you can ensure the split occurs exactly
at a chapter boundary rather than in the middle of a scene.
</p><p>
If you have a supported TV capture card, you can also encode from the
TV-in device.
Use <tt class="option">tv://</tt><em class="replaceable"><code>channelnumber</code></em> as
the filename, and <tt class="option">-tv</tt> to configure various capture
settings.
DVB input works similarly.
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="menc-feat-selecting-codec.html">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="mencoder.html">Up</a></td><td width="40%" align="right"><a accesskey="n" href="menc-feat-mpeg4.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">13.1.Selecting codecs and container formats</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">13.3.Encoding two pass MPEG-4 ("DivX")</td></tr></table></div></body></html>
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