<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Capitolo 10. La codifica con MEncoder</title><link rel="stylesheet" href="default.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="MPlayer - Il Visualizzatore di film"><link rel="up" href="index.html" title="MPlayer - Il Visualizzatore di film"><link rel="prev" href="aspect.html" title="9.10. Preservare il rapporto di aspetto"><link rel="next" href="menc-feat-dvd-mpeg4.html" title='10.1. Produrre un rip di un film da DVD in un MPEG-4 ("DivX") di alta qualità'><link rel="preface" href="howtoread.html" title="Come leggere questa documentazione"><link rel="chapter" href="intro.html" title="Capitolo 1. Introduzione"><link rel="chapter" href="install.html" title="Capitolo 2. Installazione"><link rel="chapter" href="usage.html" title="Capitolo 3. Utilizzo"><link rel="chapter" href="cd-dvd.html" title="Capitolo 4. Utilizzo CD/DVD"><link rel="chapter" href="tv.html" title="Capitolo 5. TV"><link rel="chapter" href="radio.html" title="Capitolo 6. Radio"><link rel="chapter" href="video.html" title="Capitolo 7. Dispositivi di uscita video"><link rel="chapter" href="ports.html" title="Capitolo 8. Ports"><link rel="chapter" href="mencoder.html" title="Capitolo 9. Utilizzo base di MEncoder"><link rel="chapter" href="encoding-guide.html" title="Capitolo 10. La codifica con MEncoder"><link rel="chapter" href="faq.html" title="Capitolo 11. Frequently Asked Questions"><link rel="appendix" href="bugreports.html" title="Appendice A. Come segnalare i bug (errori)"><link rel="appendix" href="skin.html" title="Appendice B. MPlayer skin format"><link rel="section" href="menc-feat-dvd-mpeg4.html" title='10.1. Produrre un rip di un film da DVD in un MPEG-4 ("DivX") di alta qualità'><link rel="section" href="menc-feat-telecine.html" title="10.2. Come trattare telecine e interlacciamento nei DVD NTSC"><link rel="section" href="menc-feat-enc-libavcodec.html" title="10.3. Encoding with the libavcodec codec family"><link rel="section" href="menc-feat-xvid.html" title="10.4. Encoding with the Xvid codec"><link rel="section" href="menc-feat-x264.html" title="10.5. Encoding with the x264 codec"><link rel="section" href="menc-feat-video-for-windows.html" title="10.6. Encoding with the Video For Windows codec family"><link rel="section" href="menc-feat-quicktime-7.html" title="10.7. Using MEncoder to create QuickTime-compatible files"><link rel="section" href="menc-feat-vcd-dvd.html" title="10.8. Using MEncoder to create VCD/SVCD/DVD-compliant files"></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">Capitolo 10. La codifica con <span class="application">MEncoder</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="aspect.html">Indietro</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="menc-feat-dvd-mpeg4.html">Avanti</a></td></tr></table><hr></div><div class="chapter" title="Capitolo 10. La codifica con MEncoder"><div class="titlepage"><div><div><h2 class="title"><a name="encoding-guide"></a>Capitolo 10. La codifica con <span class="application">MEncoder</span></h2></div></div></div><div class="toc"><dl><dt><span class="sect1"><a href="menc-feat-dvd-mpeg4.html">10.1. Produrre un rip di un film da DVD in un
MPEG-4 ("DivX") di alta qualità</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-preparing-encode">10.1.1. Prepararsi alla codifica: identificare il materiale sorgente e la frequenza fotogrammi (framerate)</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-preparing-encode-fps">10.1.1.1. Identificare la frequenza fotogrammi (framerate) del sorgente</a></span></dt><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-preparing-encode-material">10.1.1.2. Identificare il materiale sorgente</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-2pass">10.1.2. Quantizzatore costante vs. multipassaggio</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-constraints">10.1.3. Vincoli per una codifica efficiente</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-crop">10.1.4. Tagliare e Ridimensionare</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-resolution-bitrate">10.1.5. Scegliere la risoluzione e il bitrate</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-resolution-bitrate-compute">10.1.5.1. Calcolare la risoluzione</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-filtering">10.1.6. Filtraggio</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-interlacing">10.1.7. Interlacciamento e Telecine</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-encoding-interlaced">10.1.8. Codificare video interlacciato</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-av-sync">10.1.9. Note sulla sincronizzazione Audio/Video</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-codec">10.1.10. Scegliere il codec video</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-audio">10.1.11. Audio</a></span></dt><dt><span class="sect2"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-muxing">10.1.12. Muxing</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-muxing-filter-issues">10.1.12.1. Migliorare il mux e l'affidabilità di sincronizzazione A/V</a></span></dt><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-muxing-avi-limitations">10.1.12.2. Limitazioni del contenitore AVI</a></span></dt><dt><span class="sect3"><a href="menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-muxing-matroska">10.1.12.3. Mux nel contenitore Matroska</a></span></dt></dl></dd></dl></dd><dt><span class="sect1"><a href="menc-feat-telecine.html">10.2. Come trattare telecine e interlacciamento nei DVD NTSC</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-telecine.html#menc-feat-telecine-intro">10.2.1. Introduzione</a></span></dt><dt><span class="sect2"><a href="menc-feat-telecine.html#menc-feat-telecine-ident">10.2.2. Come scoprire il tipo di video che possiedi</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-ident-progressive">10.2.2.1. Progressivo</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-ident-telecined">10.2.2.2. Telecine</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-ident-interlaced">10.2.2.3. Interlacciato</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-ident-mixedpt">10.2.2.4. Progressivo e telecine mescolati</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-ident-mixedpi">10.2.2.5. Progressivo e interlacciato mescolati</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-telecine.html#menc-feat-telecine-encode">10.2.3. Come codificare ciascuna categoria</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-encode-progressive">10.2.3.1. Progressivo</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-encode-telecined">10.2.3.2. Telecine</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-encode-interlaced">10.2.3.3. Interlacciato</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-encode-mixedpt">10.2.3.4. Progressivo e telecine mescolati</a></span></dt><dt><span class="sect3"><a href="menc-feat-telecine.html#menc-feat-telecine-encode-mixedpi">10.2.3.5. Progressivo e interlacciato mescolati</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-telecine.html#menc-feat-telecine-footnotes">10.2.4. Note a pie' pagina</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-enc-libavcodec.html">10.3. Encoding with the <code class="systemitem">libavcodec</code>
codec family</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#menc-feat-enc-libavcodec-video-codecs">10.3.1. <code class="systemitem">libavcodec</code>'s
video codecs</a></span></dt><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#menc-feat-enc-libavcodec-audio-codecs">10.3.2. <code class="systemitem">libavcodec</code>'s
audio codecs</a></span></dt><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#menc-feat-dvd-mpeg4-lavc-encoding-options">10.3.3. Encoding options of libavcodec</a></span></dt><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#menc-feat-mpeg4-lavc-example-settings">10.3.4. Encoding setting examples</a></span></dt><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#custommatrices">10.3.5. Custom inter/intra matrices</a></span></dt><dt><span class="sect2"><a href="menc-feat-enc-libavcodec.html#menc-feat-dvd-mpeg4-example">10.3.6. Example</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-xvid.html">10.4. Encoding with the <code class="systemitem">Xvid</code>
codec</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-xvid.html#menc-feat-xvid-intro">10.4.1. What options should I use to get the best results?</a></span></dt><dt><span class="sect2"><a href="menc-feat-xvid.html#menc-feat-xvid-encoding-options">10.4.2. Encoding options of <code class="systemitem">Xvid</code></a></span></dt><dt><span class="sect2"><a href="menc-feat-xvid.html#menc-feat-xvid-encoding-profiles">10.4.3. Encoding profiles</a></span></dt><dt><span class="sect2"><a href="menc-feat-xvid.html#menc-feat-xvid-example-settings">10.4.4. Encoding setting examples</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-x264.html">10.5. Encoding with the
<code class="systemitem">x264</code> codec</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-x264.html#menc-feat-x264-encoding-options">10.5.1. Encoding options of x264</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-x264.html#menc-feat-x264-encoding-options-intro">10.5.1.1. Introduction</a></span></dt><dt><span class="sect3"><a href="menc-feat-x264.html#menc-feat-x264-encoding-options-speedvquality">10.5.1.2. Options which primarily affect speed and quality</a></span></dt><dt><span class="sect3"><a href="menc-feat-x264.html#menc-feat-x264-encoding-options-misc-preferences">10.5.1.3. Options pertaining to miscellaneous preferences</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-x264.html#menc-feat-x264-example-settings">10.5.2. Encoding setting examples</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-video-for-windows.html">10.6.
Encoding with the <code class="systemitem">Video For Windows</code>
codec family
</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-video-for-windows.html#menc-feat-enc-vfw-video-codecs">10.6.1. Video for Windows supported codecs</a></span></dt><dt><span class="sect2"><a href="menc-feat-video-for-windows.html#menc-feat-video-for-windows-bitrate-settings">10.6.2. Using vfw2menc to create a codec settings file.</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-quicktime-7.html">10.7. Using <span class="application">MEncoder</span> to create
<span class="application">QuickTime</span>-compatible files</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-why-use-it">10.7.1. Why would one want to produce <span class="application">QuickTime</span>-compatible Files?</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-constraints">10.7.2. <span class="application">QuickTime</span> 7 limitations</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-crop">10.7.3. Cropping</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-scale">10.7.4. Scaling</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-avsync">10.7.5. A/V sync</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-bitrate">10.7.6. Bitrate</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-example">10.7.7. Encoding example</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-remux">10.7.8. Remuxing as MP4</a></span></dt><dt><span class="sect2"><a href="menc-feat-quicktime-7.html#menc-feat-quicktime-7-metadata">10.7.9. Adding metadata tags</a></span></dt></dl></dd><dt><span class="sect1"><a href="menc-feat-vcd-dvd.html">10.8. Using <span class="application">MEncoder</span>
to create VCD/SVCD/DVD-compliant files</a></span></dt><dd><dl><dt><span class="sect2"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-constraints">10.8.1. Format Constraints</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-constraints-resolution">10.8.1.1. Format Constraints</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-constraints-gop">10.8.1.2. GOP Size Constraints</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-constraints-bitrate">10.8.1.3. Bitrate Constraints</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-output">10.8.2. Output Options</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-output-aspect">10.8.2.1. Aspect Ratio</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-a-v-sync">10.8.2.2. Maintaining A/V sync</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-output-srate">10.8.2.3. Sample Rate Conversion</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc">10.8.3. Using libavcodec for VCD/SVCD/DVD Encoding</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc-intro">10.8.3.1. Introduction</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc-options">10.8.3.2. lavcopts</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc-examples">10.8.3.3. Examples</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-lavc-advanced">10.8.3.4. Advanced Options</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-audio">10.8.4. Encoding Audio</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-audio-toolame">10.8.4.1. toolame</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-audio-twolame">10.8.4.2. twolame</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-audio-lavc">10.8.4.3. libavcodec</a></span></dt></dl></dd><dt><span class="sect2"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all">10.8.5. Putting it all Together</a></span></dt><dd><dl><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-pal-dvd">10.8.5.1. PAL DVD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-ntsc-dvd">10.8.5.2. NTSC DVD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-pal-ac3-copy">10.8.5.3. PAL AVI Containing AC-3 Audio to DVD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-ntsc-ac3-copy">10.8.5.4. NTSC AVI Containing AC-3 Audio to DVD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-pal-svcd">10.8.5.5. PAL SVCD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-ntsc-svcd">10.8.5.6. NTSC SVCD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-pal-vcd">10.8.5.7. PAL VCD</a></span></dt><dt><span class="sect3"><a href="menc-feat-vcd-dvd.html#menc-feat-vcd-dvd-all-ntsc-vcd">10.8.5.8. NTSC VCD</a></span></dt></dl></dd></dl></dd></dl></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="aspect.html">Indietro</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="menc-feat-dvd-mpeg4.html">Avanti</a></td></tr><tr><td width="40%" align="left" valign="top">9.10. Preservare il rapporto di aspetto </td><td width="20%" align="center"><a accesskey="h" href="index.html">Partenza</a></td><td width="40%" align="right" valign="top"> 10.1. Produrre un rip di un film da DVD in un
MPEG-4 ("DivX") di alta qualità</td></tr></table></div></body></html>
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