mirror of https://github.com/mpv-player/mpv
857 lines
28 KiB
XML
857 lines
28 KiB
XML
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<?xml version="1.0" encoding="iso-8859-1"?>
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<sect1 id="codecs">
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<title>Supported codecs</title>
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<sect2 id="video-codecs">
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<title>Video codecs</title>
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<para>
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See the <ulink url="http://www.mplayerhq.hu/DOCS/codecs-status.html">codec status table</ulink>
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for the complete, daily generated list. Quite a few codecs are available for
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download from our homepage. Grab them from our
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<ulink url="http://www.mplayerhq.hu/MPlayer/releases/codecs/">codecs page</ulink>.
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</para>
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<para>
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The most important ones above all:
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</para>
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<itemizedlist>
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<listitem><simpara>
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<emphasis role="bold">MPEG1</emphasis> (<emphasis role="bold">VCD</emphasis>) and
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<emphasis role="bold">MPEG2</emphasis> (<emphasis role="bold">DVD</emphasis>) video
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</simpara></listitem>
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<listitem><simpara>
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native decoders for <emphasis role="bold">DivX ;-), OpenDivX (DivX4),
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DivX 5.01, 3ivX, M$ MPEG4</emphasis> v1, v2 and other MPEG4 variants
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</simpara></listitem>
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<listitem><simpara>
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native decoder for <emphasis role="bold">Windows Media Video 7/8</emphasis>
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(<emphasis role="bold">WMV1/WMV2</emphasis>), and Win32 DLL decoder
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for <emphasis role="bold">Windows Media Video 9</emphasis>
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(<emphasis role="bold">WMV3</emphasis>), both used in <filename>.wmv</filename>
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files
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</simpara></listitem>
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<listitem><simpara>
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native <emphasis role="bold">Sorenson 1 (SVQ1)</emphasis> decoder
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</simpara></listitem>
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<listitem><simpara>
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Win32/QT <emphasis role="bold">Sorenson 3 (SVQ3)</emphasis> decoder
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</simpara></listitem>
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<listitem><simpara>
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<emphasis role="bold">3ivx</emphasis> v1, v2 decoder
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</simpara></listitem>
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<listitem><simpara>
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Cinepak and <emphasis role="bold">Intel Indeo</emphasis> codecs (3.1,3.2,4.1,5.0)
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</simpara></listitem>
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<listitem><simpara>
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<emphasis role="bold">MJPEG</emphasis>, AVID, VCR2, ASV2 and other hardware
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formats
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</simpara></listitem>
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<listitem><simpara>
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VIVO 1.0, 2.0, I263 and other <emphasis role="bold">h263(+)</emphasis> variants
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</simpara></listitem>
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<listitem><simpara>
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FLI/FLC
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</simpara></listitem>
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<listitem><simpara>
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<emphasis role="bold">RealVideo 1.0</emphasis> from libavcodec, and
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<emphasis role="bold">RealVideo 2.0, 3.0</emphasis> and
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<emphasis role="bold">4.0</emphasis> codecs using RealPlayer libraries
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</simpara></listitem>
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<listitem><simpara>
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native decoder for HuffYUV
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</simpara></listitem>
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<listitem><simpara>
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Various old simple RLE-like formats
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</simpara></listitem>
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</itemizedlist>
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<para>
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If you have a Win32 codec not listed here which is not supported yet,
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please read the <link linkend="win32-codecs">codec importing HOWTO</link>
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and help us add support for it.
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</para>
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<sect3 id="divx4-5">
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<title>DivX4/DivX5</title>
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<para>
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This section contains information about the DivX4 codec of
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<ulink url="http://www.projectmayo.com">Project Mayo</ulink>.
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Their first available alpha version was OpenDivX 4.0 alpha 47 and 48.
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Support for this was included in <application>MPlayer</application> in the
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past, and built by default. We also used its postprocessing code to
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optionally enhance visual quality of MPEG1/2 movies. Now we use our own,
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for all file types.
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</para>
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<para>
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The new generation of this codec is called DivX4 and can even decode
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movies made with the infamous DivX codec! In addition it is much faster
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than the native Win32 DivX DLLs but slower than <systemitem
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class="library">libavcodec</systemitem>. Hence its usage as a decoder is
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<emphasis role="bold">DISCOURAGED</emphasis>. However, it is useful for
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encoding. One disadvantage of this codec is that it is not available under an
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Open Source license.
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</para>
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<para>
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DivX4 works in two modes:
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<variablelist>
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<varlistentry><term><option>-vc odivx</option></term>
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<listitem><simpara>
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Uses the codec in OpenDivX fashion. In this case it produces YV12 images
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in its own buffer, and <application>MPlayer</application> does colorspace
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conversion via libvo. (<emphasis role="bold">Fast, recommended!</emphasis>)
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</simpara></listitem>
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</varlistentry>
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<varlistentry><term><option>-vc divx4</option></term>
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<listitem><simpara>
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Uses the colorspace conversion of the codec. In this mode you can use
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YUY2/UYVY, too. (<emphasis role="bold">SLOW</emphasis>)
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</simpara></listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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The <option>-vc odivx</option> method is usually faster, due to the fact
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that it transfers image data in YV12 (planar YUV 4:2:0) format, thus
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requiring much less bandwidth on the bus. For packed YUV modes (YUY2, UYVY)
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use the <option>-vc divx4</option> method. For RGB modes the speed is the
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same, differing at best according to your current color depth.
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<note>
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<para>
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If your <option>-vo</option> driver supports direct rendering, then <option>-vc
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divx4</option> may be faster, or even the fastest solution.
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</para>
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<para>
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The Divx4/5 binary codec library can be downloaded from
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<ulink url="http://avifile.sourceforge.net">avifile</ulink> or
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<ulink url="http://www.divx.com">divx.com</ulink>
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Unpack it, run <filename>./install.sh</filename> as root and do not forget adding
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<filename class="directory">/usr/local/lib</filename> to your
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<filename>/etc/ld.so.conf</filename> and running <command>ldconfig</command>.
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</para>
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<para>
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Get the CVS version of the OLD OpenDivx core library like this:
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</para>
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<procedure>
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<step><para>
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<screen>cvs -d:pserver:anonymous@cvs.projectmayo.com:/cvsroot login</screen>
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</para></step>
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<step><para>
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<screen>cvs -d:pserver:anonymous@cvs.projectmayo.com:/cvsroot co divxcore</screen>
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</para></step>
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<step><para>
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This core library is split into a decore and encore library that have to be
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compiled separately. For the decore Library, simply type
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<screen>
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cd divxcore/decore/build/linux
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make
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cp libdivxdecore.so /usr/local/lib
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ln -s /usr/local/lib/libdivxdecore.so /usr/local/lib/libdivxdecore.so.0
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cp ../../src/decore.h /usr/local/include
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</screen>
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</para></step>
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<step><para>
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Alas, for the encore library there is no Linux Makefile available, and the
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MMX optimized code only works on Windows. You can still compile it, though,
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by using this
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<ulink url="ftp://ftp.mplayerhq.hu/MPlayer/contrib/divx-mf/Makefile">Makefile</ulink>.
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<screen>
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cd ../../../encore/build
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mkdir linux
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cd linux
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cp path/Makefile .
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make
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cp libdivxencore.so /usr/local/lib
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ln -s /usr/local/lib/libdivxdecore.so /usr/local/lib/libdivxdecore.so.0
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cp ../../src/encore.h /usr/local/include
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</screen>
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</para></step>
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</procedure>
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<para>
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<application>MPlayer</application> autodetects DivX4/DivX5 if it is
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properly installed, just compile as usual. If it does not detect it, you
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did not install or configure it correctly.
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</para>
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</note>
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</para>
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</sect3>
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<sect3 id="ffmpeg" xreflabel="FFmpeg DivX/libavcodec">
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<title>FFmpeg DivX/libavcodec</title>
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<para>
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<ulink url="http://ffmpeg.sourceforge.net">FFmpeg</ulink> contains an
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<emphasis role="bold">open source</emphasis> codec package, which is capable
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of decoding streams encoded with H263/MJPEG/RV10/DivX3/DivX4/DivX5/MP41/MP42/WMV1/WMV2/HuffYUV
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video, or WMA (Windows Media Audio) audio codecs. Not only some of them can be
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encoded with, but it also offers higher speed than the Win32 codecs or the
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DivX.com DivX4/5 library!
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</para>
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<para>
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It contains a lot of nice codecs, especially important are the MPEG4 variants:
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DivX3, DivX4, DivX5, Windows Media Video 7 (WMV1). Also a very interesting one
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is the WMA decoder.
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</para>
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<para>
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If you use an <application>MPlayer</application> release you have libavcodec
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right in the package, just build as usual. If you use
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<application>MPlayer</application> from CVS you have to extract libavcodec from
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the FFmpeg CVS tree as FFmpeg releases <emphasis role="bold">don't</emphasis>
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work with <application>MPlayer</application>. In order to achieve this do:
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</para>
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<procedure>
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<step><para>
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<screen>cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg login</screen>
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</para></step>
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<step><para>
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<screen>cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg co ffmpeg</screen>
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</para></step>
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<step><para>
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Move the <filename>libavcodec</filename> directory from the FFmpeg
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sources to the root of the <application>MPlayer</application> CVS tree.
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It should look like this:
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<filename>main/libavcodec</filename>
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</para><para>
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Symlinking is <emphasis role="bold">not</emphasis> enough, you have to
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copy/move it!
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</para></step>
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<step><para>
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Compile. <filename>configure</filename> should detect problems before
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compilation.
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</para></step>
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</procedure>
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<note>
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<para>
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<application>MPlayer</application> from CVS does contain a
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<filename>libavcodec</filename> subdirectory, but it does
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<emphasis role="bold">not</emphasis> contain the source for libavcodec!
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You must follow the steps above to obtain the source for this library.
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</para>
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</note>
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<para>
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With FFmpeg and my Matrox G400, I can view even the highest resolution DivX
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movies without dropped frames on my K6/2 500.
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</para>
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</sect3>
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<sect3 id="xanim">
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<title>XAnim codecs</title>
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<note>
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<para>
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Be advised that the XAnim binary codecs are packaged with a piece of text
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claiming to be a legally binding software license which, besides other
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restrictions, forbids the user to use the codecs in conjunction with any
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program other than <application>XAnim</application>. However, the XAnim
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author has yet to bring legal action against anyone for codec-related issues.
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</para>
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</note>
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<formalpara>
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<title>INSTALLATION AND USAGE</title>
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<para>
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<application>MPlayer</application> is capable of employing the XAnim codecs
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for decoding. Follow the instructions to enable them:
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</para>
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</formalpara>
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<procedure>
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<step><para>
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Download the codecs you wish to use from the
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<ulink url="http://xanim.va.pubnix.com">XAnim site</ulink>.
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The 3ivx codec is not there, but at the
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<ulink url="http://www.3ivx.com">3ivx site</ulink>.
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</para></step>
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<step><para>
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Use the <option>--with-xanimlibdir</option> option to tell
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<filename>configure</filename> where
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to find the XAnim codecs. By default, it looks for them at
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<filename class="directory">/usr/local/lib/xanim/mods</filename>,
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<filename class="directory">/usr/lib/xanim/mods</filename> and
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<filename class="directory">/usr/lib/xanim</filename>.
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Alternatively you can set the environment variable
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<envar>XANIM_MOD_DIR</envar> to the directory of the XAnim codecs.
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</para></step>
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<step><para>
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Rename/symlink the files, cutting out the architecture stuff, so they
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will have filenames like these: <filename>vid_cvid.xa</filename>,
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<filename>vid_h263.xa</filename>, <filename>vid_iv50.xa</filename>
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</para></step>
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</procedure>
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<para>
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XAnim is video codec family <systemitem>xanim</systemitem>, so you may want
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to use the <option>-vfm xanim</option> option to tell <application>MPlayer</application>
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to use them if possible.
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</para>
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<para>
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Tested codecs include: <emphasis role="bold">Indeo 3.2, 4.1, 5.0, CVID, 3ivX,
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h263.</emphasis>
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</para>
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</sect3>
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<sect3 id="vivo-video">
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<title>VIVO video</title>
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<para>
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<application>MPlayer</application> can play Vivo (1.0 and 2.0) videos. The
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most suitable codec for 1.0 files is FFmpeg's H263 decoder, you can use it
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with the <option>-vc ffh263</option> option. For 2.0 files, use the
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Win32 DLL through the <option>-vc vivo</option> option. If you do not supply
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command line options <application>MPlayer</application> selects the best codec
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automatically.
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</para>
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</sect3>
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<sect3 id="mpeg12">
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<title>MPEG 1/2 video</title>
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<para>
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MPEG1 and MPEG2 are decoded by the multiplatform native <systemitem
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class="library">libmpeg2</systemitem> library, whose source code is
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included in <application>MPlayer</application>. We handle buggy MPEG 1/2
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video files by catching <systemitem>Signal 11</systemitem>
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(<systemitem>segmentation fault</systemitem>), and quickly
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reinitializing the codec, continuing exactly from where the failure
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occurred. This recovery technique has no measurable speed penalty.
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</para>
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</sect3>
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||
|
|
<sect3 id="msvideo1">
|
||
|
|
<title>MS Video1</title>
|
||
|
|
<para>
|
||
|
|
This is a very old and very bad codec from Microsoft. In the past it was
|
||
|
|
decoded with the <filename>msvidc32.dll</filename> Win32 codec, now we have
|
||
|
|
our own open source implementation
|
||
|
|
(by <ulink url="mailto:melanson@pcisys.net">Mike Melanson</ulink>).
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="cinepak-cvid">
|
||
|
|
<title>Cinepak CVID</title>
|
||
|
|
<para>
|
||
|
|
<application>MPlayer</application> uses its own open source, multiplatform
|
||
|
|
Cinepak decoder (by <ulink url="mailto:timf@csse.monash.edu.au">Dr. Tim Ferguson</ulink>)
|
||
|
|
by default. It supports YUV outputs, so that hardware
|
||
|
|
scaling is possible if the video output driver permits it.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="realvideo">
|
||
|
|
<title>RealVideo</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
<application>MPlayer</application> supports decoding all versions of
|
||
|
|
RealVideo:
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<listitem><simpara>
|
||
|
|
RealVideo 1.0 (fourcc RV10) - en/decoding supported by
|
||
|
|
<systemitem class="library">libavcodec</systemitem>
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
RealVideo 2.0, 3.0, 4.0 (fourcc RV20, RV30, RV40) - decoding supported by
|
||
|
|
<emphasis role="bold">RealPlayer libraries</emphasis>
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
It is recommended to download and install <application>RealPlayer8</application>
|
||
|
|
or <application>RealONE</application>, because <application>MPlayer</application>
|
||
|
|
can use their libraries to decode files with RealVideo 2.0 - 4.0 video. The
|
||
|
|
<application>MPlayer</application> <filename>configure</filename> script should
|
||
|
|
detect the <application>RealPlayer</application> libraries in the standard
|
||
|
|
locations of a full installation. If it does not, tell <filename>configure</filename>
|
||
|
|
where to look with the <option>--with-reallibdir</option> option.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<note><para>
|
||
|
|
<application>RealPlayer</application> libraries currently
|
||
|
|
<emphasis role="bold">only work with Linux, FreeBSD, NetBSD and Cygwin on the x86,
|
||
|
|
Alpha and PowerPC (Linux/Alpha and Linux/PowerPC have been tested) platforms</emphasis>.
|
||
|
|
</para></note>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="xvid">
|
||
|
|
<title>XViD</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
<ulink url="http://www.xvid.org">XViD</ulink> is a forked development of the
|
||
|
|
OpenDivX codec. It happened when ProjectMayo changed OpenDivX to closed source
|
||
|
|
DivX4 (now DivX5), and the non-ProjectMayo people working on OpenDivX got angry,
|
||
|
|
then started XViD. So both projects have the same origin.
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<title>ADVANTAGES</title>
|
||
|
|
<listitem><simpara>
|
||
|
|
open source
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
its API is compatible with DivX4 so adding support for it is easy
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
2-pass encoding support
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
nice encoding quality, higher speed than DivX4 (you can optimize it for
|
||
|
|
your box while compiling)
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<title>DISADVANTAGES</title>
|
||
|
|
<listitem><simpara>
|
||
|
|
currently it does not properly <emphasis role="bold">decode</emphasis> all
|
||
|
|
DivX/DivX4 files (no problem as <link linkend="ffmpeg">libavcodec</link>
|
||
|
|
can play them)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
you have to choose between DivX4 <emphasis role="bold">or</emphasis> XViD
|
||
|
|
support at compiletime
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
under development
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<procedure>
|
||
|
|
<title>INSTALLING XVID CVS</title>
|
||
|
|
<para>
|
||
|
|
It is currently available only from CVS. Here are the download and
|
||
|
|
installation instructions:
|
||
|
|
</para>
|
||
|
|
<step><para>
|
||
|
|
<screen>cvs -z3 -d:pserver:anonymous@cvs.xvid.org:/xvid login</screen>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
<screen>cvs -z3 -d:pserver:anonymous@cvs.xvid.org:/xvid co xvidcore</screen>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
<screen>cd xvidcore/build/generic</screen>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Edit <filename>MakeFile</filename> for your architecture (probably
|
||
|
|
<filename>Makefile.linuxx86</filename>) to fit your needs.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
<screen>make -f Makefile.linux</screen>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Copy <filename>divx4.h</filename> and <filename>xvid.h</filename> from
|
||
|
|
<filename class="directory">/usr/local/include/</filename>.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Get <filename>encore2.h</filename> and <filename>decore.h</filename> from
|
||
|
|
the DivX4Linux package, and copy them to
|
||
|
|
<filename class="directory">/usr/local/include/</filename>.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Recompile <application>MPlayer</application> with
|
||
|
|
<option>--with-xvidcore=<replaceable>/path/to/libxvidcore.a</replaceable></option>.
|
||
|
|
</para></step>
|
||
|
|
</procedure>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="sorenson">
|
||
|
|
<title>Sorenson</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
Sorenson is a video codec developed by Sorenson Media and licensed to Apple who
|
||
|
|
distribute it with their <application>QuickTime Player</application>. We are
|
||
|
|
currently able to decode all version of Sorenson video files with the following
|
||
|
|
decoders.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<listitem><simpara>
|
||
|
|
Sorenson 1 (fourcc <emphasis>SVQ1</emphasis>) - decoding supported by
|
||
|
|
<emphasis role="bold">native codecs</emphasis>. Actually there are two
|
||
|
|
(nearly equal) decoders for SVQ1: one is built in <application>MPlayer</application>,
|
||
|
|
the other in libavcodec. You can invoke each of them with the <option>-vc svq1</option>
|
||
|
|
and <option>-vc ffsvq1</option> options respectively. Some files may work
|
||
|
|
with one of them, and not with the other, so test both decoders. The decoder
|
||
|
|
was written (reverse engineered) by the <ulink url="http://www.xinehq.de">xine</ulink>
|
||
|
|
authors.
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
Sorenson 3 (fourcc <emphasis>SVQ3</emphasis>) - decoding supported by
|
||
|
|
<emphasis role="bold">Win32 QuickTime libraries</emphasis>
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
|
||
|
|
<procedure>
|
||
|
|
<title>INSTALLING XVID CVS</title>
|
||
|
|
<note><para>currently only 32bit Intel platforms are supported.</para></note>
|
||
|
|
<step><para>download MPlayer CVS</para></step>
|
||
|
|
<step><para>compile MPlayer with:
|
||
|
|
<screen>$ ./configure --enable-qtx-codecs</screen>
|
||
|
|
</para></step>
|
||
|
|
<step><para>download QuickTime DLL pack from
|
||
|
|
<ulink url="http://www.mplayerhq.hu/MPlayer/releases/codecs/"/>
|
||
|
|
</para></step>
|
||
|
|
<step><para>extract QuickTime DLL pack to your Win32 codecs directory
|
||
|
|
(default: <filename class="directory">/usr/lib/win32</filename>)
|
||
|
|
</para></step>
|
||
|
|
</procedure>
|
||
|
|
|
||
|
|
</sect3>
|
||
|
|
</sect2>
|
||
|
|
|
||
|
|
<!-- ********** -->
|
||
|
|
|
||
|
|
<sect2 id="audio-codecs">
|
||
|
|
<title>Audio codecs</title>
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<title>The most important audio codecs above all:</title>
|
||
|
|
<listitem><simpara>
|
||
|
|
MPEG layer 2 (MP2), and layer 3 (MP3) audio (<emphasis role="bold">native</emphasis>
|
||
|
|
code, with MMX/SSE/3DNow! optimization)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
MPEG layer 1 audio (<emphasis role="bold">native</emphasis> code, with libavcodec)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
Windows Media Audio v1, v2 (<emphasis role="bold">native</emphasis> code, with
|
||
|
|
libavcodec)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
Windows Media Audio 9 (WMAv3) (using DMO DLL)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
AC3 Dolby audio (<emphasis role="bold">native</emphasis> code, with
|
||
|
|
MMX/SSE/3DNow! optimization)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
AC3 passing through soundcard hardware
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
Ogg Vorbis audio codec (<emphasis role="bold">native</emphasis> library)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
RealAudio: DNET (low bitrate AC3), Cook, Sipro and ATRAC3
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
QuickTime: Qualcomm and QDesign audio codecs
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
VIVO audio (g723, Vivo Siren)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
Voxware audio (using DirectShow DLL)
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
alaw and ulaw, various gsm, adpcm and pcm formats and other simple old
|
||
|
|
audio codecs
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="swac3">
|
||
|
|
<title>Software AC3 decoding</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
This is the default decoder used for files with AC3 audio.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
The AC3 decoder can create audio output mixes for 2, 4, or 6 speakers.
|
||
|
|
When configured for 6 speakers, this decoder provides separate output of
|
||
|
|
all the AC3 channels to the sound driver, allowing for full "surround
|
||
|
|
sound" experience without the external AC3 decoder required to use the
|
||
|
|
hwac3 codec.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
Use the <option>-channels</option> option to select the number of output
|
||
|
|
channels. Use <option>-channels 2</option> for a stereo downmix. For a 4
|
||
|
|
channel downmix (Left Front, Right Front, Left Surround and Right Surround
|
||
|
|
outputs), use <option>-channels 4</option>. In this case, any center
|
||
|
|
channel will be mixed equally to the front channels. <option>-channels
|
||
|
|
6</option> will output all the AC3 channels as they are encoded - in the
|
||
|
|
order Left, Right, Left Surround, Right Surround, Center and LFE.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
The default number of output channels is 2.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
To use more than 2 output channels, you will need to use OSS, and have a
|
||
|
|
sound card that supports the appropriate number of output channels via the
|
||
|
|
SNDCTL_DSP_CHANNELS ioctl. An example of a suitable driver is emu10k1
|
||
|
|
(used by Soundblaster Live! cards) from August 2001 or newer (ALSA CVS is
|
||
|
|
also supposed to work).
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="hwac3">
|
||
|
|
<title>Hardware AC3 decoding</title>
|
||
|
|
<para>
|
||
|
|
You need an AC3 capable sound card, with digital out (SP/DIF). The card's
|
||
|
|
driver must properly support the AFMT_AC3 format (C-Media does). Connect
|
||
|
|
your AC3 decoder to the SP/DIF output, and use the <option>-ac
|
||
|
|
hwac3</option> option. It is experimental but known to work with C-Media
|
||
|
|
cards and Soundblaster Live! + ALSA (but not OSS) drivers and DXR3/Hollywood+
|
||
|
|
MPEG decoder cards.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="libmad">
|
||
|
|
<title>libmad support</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
<ulink url="http://mad.sourceforge.net">libmad</ulink> is a multiplatform
|
||
|
|
MPEG audio decoding library. It does not handle broken files well, and it
|
||
|
|
sometimes has problems with seeking.
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
To enable support, compile with the <option>--enable-mad</option> configure
|
||
|
|
option.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="vivo-audio">
|
||
|
|
<title>VIVO audio</title>
|
||
|
|
<para>
|
||
|
|
The audio codec used in VIVO files depends on whether it is a VIVO/1.0 or
|
||
|
|
VIVO/2.0 file. VIVO/1.0 files have <emphasis role="bold">g.723</emphasis> audio,
|
||
|
|
and VIVO/2.0 files have <emphasis role="bold">Vivo Siren</emphasis> audio. Both are
|
||
|
|
supported.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="realaudio">
|
||
|
|
<title>RealAudio</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
<application>MPlayer</application> supports decoding nearly all versions of
|
||
|
|
RealAudio:
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<itemizedlist>
|
||
|
|
<listitem><simpara>
|
||
|
|
RealAudio DNET - decoding supported by
|
||
|
|
<systemitem class="library">liba52</systemitem>
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
RealAudio Cook/Sipro/ATRAC3 - decoding supported by
|
||
|
|
<emphasis role="bold">RealPlayer libraries</emphasis>
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
On how to install RealPlayer libraries, see the
|
||
|
|
<link linkend="realmedia">RealMedia file format</link> section.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
<sect3 id="qdesign">
|
||
|
|
<title>QDesign codecs</title>
|
||
|
|
<para>
|
||
|
|
QDesign audio streams (fourcc:<emphasis>QDMC, QDM2</emphasis>) are found
|
||
|
|
in MOV/QT files. Both versions of this codec can be decoded with QuickTime
|
||
|
|
libraries. For installation instructions please see the
|
||
|
|
<link linkend="sorenson">Sorenson video codec</link> section.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
<sect3 id="qualcomm">
|
||
|
|
<title>Qualcomm codecs</title>
|
||
|
|
<para>
|
||
|
|
Qualcomm audio streams (fourcc:<emphasis>Qclp</emphasis>) is found
|
||
|
|
in MOV/QT files. It can be decoded with QuickTime
|
||
|
|
libraries. For installation instructions please see the
|
||
|
|
<link linkend="sorenson">Sorenson video codec</link> section.
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
</sect2>
|
||
|
|
|
||
|
|
<!-- ********** -->
|
||
|
|
|
||
|
|
<sect2 id="win32-codecs">
|
||
|
|
<title>Win32 codecs importing HOWTO</title>
|
||
|
|
|
||
|
|
<!-- TODO: a short paragraph of text would be nice here... -->
|
||
|
|
|
||
|
|
<sect3 id="vfw-codecs">
|
||
|
|
<title>VFW codecs</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
VFW (Video for Windows) is the old Video API for Windows. Its codecs have
|
||
|
|
the <filename>.DLL</filename> or (rarely) <filename>.DRV</filename>
|
||
|
|
extension. If <application>MPlayer</application> fails at playing your AVI
|
||
|
|
with this kind of message:
|
||
|
|
<screen>UNKNOWN video codec: HFYU (0x55594648)</screen>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
It means your AVI is encoded with a codec which has the HFYU fourcc (HFYU =
|
||
|
|
HuffYUV codec, DIV3 = DivX Low Motion, etc.). Now that you know this, you
|
||
|
|
have to find out which DLL Windows loads in order to play this file. In our
|
||
|
|
case, the <filename>system.ini</filename> contains this information in a
|
||
|
|
line that reads:
|
||
|
|
<programlisting>VIDC.HFYU=huffyuv.dll</programlisting>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
So you need the <filename>huffyuv.dll</filename> file. Note that the audio
|
||
|
|
codecs are specified by the MSACM prefix:
|
||
|
|
<programlisting>msacm.l3acm=L3codeca.acm</programlisting>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
This is the MP3 codec. Now that you have all the necessary information
|
||
|
|
(fourcc, codec file, sample AVI), submit your codec support request by
|
||
|
|
mail, and upload these files to the FTP site:
|
||
|
|
<systemitem role="url">
|
||
|
|
ftp://ftp.mplayerhq.hu/MPlayer/incoming/[codecname]/
|
||
|
|
</systemitem>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<note><para>On Windows NT/2000/XP search for this info in the registry,
|
||
|
|
e.g. search for "VIDC.HFYU". To find out how to do this, look at
|
||
|
|
the old DirectShow method below.
|
||
|
|
</para></note>
|
||
|
|
</sect3>
|
||
|
|
|
||
|
|
|
||
|
|
<sect3 id="dshow-codecs">
|
||
|
|
<title>DirectShow codecs</title>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
DirectShow is the newer Video API, which is even worse than its predecessor.
|
||
|
|
Things are harder with DirectShow, since
|
||
|
|
<itemizedlist>
|
||
|
|
<listitem><simpara>
|
||
|
|
<filename>system.ini</filename> does not contain the needed information,
|
||
|
|
instead it is stored in the registry and
|
||
|
|
</simpara></listitem>
|
||
|
|
<listitem><simpara>
|
||
|
|
we need the GUID of the codec.
|
||
|
|
</simpara></listitem>
|
||
|
|
</itemizedlist>
|
||
|
|
</para>
|
||
|
|
|
||
|
|
<procedure>
|
||
|
|
<title>New Method:</title>
|
||
|
|
<para>
|
||
|
|
Using <application>Microsoft GraphEdit</application> (fast)
|
||
|
|
</para>
|
||
|
|
<step><para>
|
||
|
|
Get <application>GraphEdit</application> from either DirectX SDK or
|
||
|
|
<ulink url="http://doom9.org">doom9</ulink>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Start <command>graphedit.exe</command>.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
From the menu select Graph -> Insert Filters.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Expand item <systemitem>DirectShow Filters</systemitem>
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Select the right codec name and expand item.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
In the entry <systemitem>DisplayName</systemitem> look at the text in
|
||
|
|
winged brackets after the backslash and write it down (five dash-delimited
|
||
|
|
blocks, the GUID).
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
The codec binary is the file specified in the <systemitem>Filename</systemitem>
|
||
|
|
entry.
|
||
|
|
</para></step>
|
||
|
|
</procedure>
|
||
|
|
|
||
|
|
<note>
|
||
|
|
<para>
|
||
|
|
If there is no <systemitem>Filename</systemitem> and
|
||
|
|
<systemitem>DisplayName</systemitem> contains something like
|
||
|
|
<systemitem>device:dmo</systemitem>, then it is a DMO-Codec.
|
||
|
|
</para>
|
||
|
|
</note>
|
||
|
|
|
||
|
|
<procedure>
|
||
|
|
<title>Old Method:</title>
|
||
|
|
<para>
|
||
|
|
Take a deep breath and start searching the registry...
|
||
|
|
</para>
|
||
|
|
<step><para>
|
||
|
|
Start <command>regedit</command>.
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Press <keycap>Ctrl</keycap>+<keycap>F</keycap>, disable the first two
|
||
|
|
checkboxes, and enable the third. Type in the fourcc of the codec (e.g.
|
||
|
|
<userinput>TM20</userinput>).
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
You should see a field which contains the path and the filename (e.g.
|
||
|
|
<filename>C:\WINDOWS\SYSTEM\TM20DEC.AX</filename>).
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
Now that you have the file, we need the GUID. Try searching again, but
|
||
|
|
now search for the codec's name, not the fourcc. Its name can be acquired
|
||
|
|
when Media Player is playing the file, by checking
|
||
|
|
<guimenu>File</guimenu> -> <guisubmenu>Properties</guisubmenu> ->
|
||
|
|
<guimenuitem>Advanced</guimenuitem>.
|
||
|
|
If not, you are out of luck. Try guessing (e.g. search for TrueMotion).
|
||
|
|
</para></step>
|
||
|
|
<step><para>
|
||
|
|
If the GUID is found you should see a <guilabel>FriendlyName</guilabel>
|
||
|
|
and a <guilabel>CLSID</guilabel> field. Write down the 16 byte CLSID,
|
||
|
|
this is the GUID we need.
|
||
|
|
</para></step>
|
||
|
|
</procedure>
|
||
|
|
|
||
|
|
<note>
|
||
|
|
<para>
|
||
|
|
If searching fails, try enabling all the checkboxes. You may have
|
||
|
|
false hits, but you may get lucky...
|
||
|
|
</para>
|
||
|
|
</note>
|
||
|
|
|
||
|
|
<para>
|
||
|
|
Now that you have all the necessary information (fourcc, GUID, codec file,
|
||
|
|
sample AVI), submit your codec support request by mail, and upload these files
|
||
|
|
to the FTP site:
|
||
|
|
<systemitem
|
||
|
|
role="url">ftp://ftp.mplayerhq.hu/MPlayer/incoming/[codecname]/
|
||
|
|
</systemitem>
|
||
|
|
</para>
|
||
|
|
</sect3>
|
||
|
|
</sect2>
|
||
|
|
</sect1>
|