mirror of
https://github.com/mpv-player/mpv
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fb627c39a5
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20183 b3059339-0415-0410-9bf9-f77b7e298cf2
599 lines
24 KiB
XML
599 lines
24 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision$ -->
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<chapter id="install">
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<title>Installation</title>
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<para>
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A quick installation guide can be found in the <filename>README</filename>
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file. Please read it first and then come back here for the rest of the gory
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details.
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</para>
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<para>
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In this section I'll try to guide you through the compiling and configuring
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process of <application>MPlayer</application>. It's not easy, but it won't
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necessarily be hard. If you experience a different behavior than what I
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explain, please search through this documentation and you'll find your
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answers. If you see links, please follow them and read carefully what they
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contain. It will take some time, but it IS worth it.
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</para>
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<para>
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You need a fairly recent system. On Linux, 2.4.x kernels are recommended.
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</para>
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<sect1 id="softreq">
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<title>Software requirements</title>
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<itemizedlist>
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<listitem><para>
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<emphasis role="bold">binutils</emphasis> - Recommended version is <emphasis role="bold">2.11.x</emphasis>.
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This program is responsible for generating MMX/ 3DNow!/etc instructions,
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thus very important.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">gcc</emphasis> - Recommended versions are 2.95
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and 3.3+. 2.96 and 3.0.x are known to generate faulty code, 3.1 and
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3.2 also had problems. On PowerPC, use 4.x+.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">XFree86</emphasis> - Recommended version is <emphasis role="bold">always the
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newest</emphasis> (4.3). Normally, everyone wants this, as starting
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with XFree86 4.0.2, it contains the <link linkend="xv">XVideo</link>
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extension (somewhere referred to as <emphasis role="bold">Xv</emphasis>)
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which is needed to enable the hardware YUV acceleration (fast image display)
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on cards that support it.
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Make sure its <emphasis role="bold">development package</emphasis> is installed,
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too, otherwise it won't work.
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For some video cards you don't need XFree86. See list below.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">make</emphasis> - Recommended version is
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<emphasis role="bold">always the newest</emphasis> (at least 3.79.x). This
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usually isn't important.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">FreeType</emphasis> 2.0.9 or later is required
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to have a font for the OSD and subtitles.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">SDL</emphasis> - it's not mandatory, but can help in
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some cases (bad audio, video cards that lag strangely with the xv driver).
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Always use the newest (beginning from 1.2.x).
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libjpeg</emphasis> - optional JPEG decoder, used by the <option>-mf</option>
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option and some QT MOV files. Useful for both <application>MPlayer</application>
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and <application>MEncoder</application> if
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you plan to work with jpeg files.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libpng</emphasis> - recommended and default (M)PNG decoder. Required for GUI.
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Useful for both <application>MPlayer</application> and
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<application>MEncoder</application>.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">lame</emphasis> - recommended, needed for encoding MP3 audio with
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<application>MEncoder</application>, recommended version is
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<emphasis>always the newest</emphasis> (at least 3.90).
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">zlib</emphasis> - recommended, necessary for compressed
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MOV header and PNG support.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libogg</emphasis> - optional, needed for playing OGG file format.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libvorbis</emphasis> - optional, needed for playing OGG Vorbis audio.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold"><ulink url="http://www.live555.com/mplayer/">LIVE555 Streaming Media</ulink></emphasis>
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- optional, needed for playing RTSP/RTP streams.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">directfb</emphasis> - optional, from
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<ulink url="http://www.directfb.org"/>. At least 0.9.13 is required.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">cdparanoia</emphasis> - optional, for CDDA support
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libxmms</emphasis> - optional, for XMMS input plugin
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support. At least 1.2.7 is required.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">libsmb</emphasis> - optional, for Samba support.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">ALSA</emphasis> - optional, for ALSA audio output
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support. At least 0.9.0rc4 is required.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">bio2jack</emphasis> - optional, for JACK audio output
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support, needed only in compile time. You can obtain it from
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<ulink url="http://bio2jack.sf.net/">http://bio2jack.sf.net</ulink>. Since it
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doesn't have install option you have to manually put the file
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<filename>libbio2jack.a</filename> somewhere in your library path
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(e.g. <filename>/usr/local/lib</filename>) or use the
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<option>--with-bio2jack=DIR</option> switch to tell
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<filename>./configure</filename> where that file is.
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</para></listitem>
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</itemizedlist>
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</sect1>
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<sect1 id="video-cards">
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<title>Video cards</title>
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<para>
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There are generally two kind of video cards. One kind (the newer cards) has
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<emphasis role="bold">hardware scaling and YUV acceleration</emphasis> support,
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the other cards don't.
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</para>
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<sect2 id="yuv-cards">
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<title>YUV cards</title>
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<para>
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They can display and scale (zoom) the picture to any size that fits in
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their memory, with <emphasis role="bold">small CPU usage</emphasis> (even when
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zooming), thus fullscreen is nice and very fast.
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<itemizedlist>
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<listitem><para>
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<emphasis role="bold">Matrox G200/G400/G450/G550 cards</emphasis>: although a
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<link linkend="vidix">Vidix driver</link> is provided, it is recommended to
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use the mga_vid module instead, for it works much better.
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Please see the <link linkend="mga_vid">mga_vid</link> section about its
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installation and usage. It is important to do these steps
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<emphasis>before</emphasis> compiling <application>MPlayer</application>,
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otherwise no mga_vid support will be built. Also check out the
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<link linkend="tvout-mga-g400">Matrox TV-out</link> section.
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<emphasis role="bold"> If you don't use Linux</emphasis>, your only
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possibility is the VIDIX driver: read the <link linkend="vidix">VIDIX</link> section.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">3Dfx Voodoo3/Banshee cards</emphasis>: please see
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<link linkend="tdfxfb">tdfxfb</link> section in order to gain big speedup.
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It is important to do these steps <emphasis role="bold">before</emphasis>
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compiling <application>MPlayer</application>, otherwise no 3Dfx support will be
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built.
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If you use X, use at least <emphasis role="bold">4.2.0</emphasis>, as 3dfx Xv
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driver was broken in 4.1.0, and earlier releases.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">ATI cards</emphasis>: <link linkend="vidix">VIDIX</link>
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driver is provided for the following cards:
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<emphasis role="bold">Radeon, Rage128, Mach64</emphasis> (Rage XL/Mobility, Xpert98).
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Also see the <link linkend="tvout-ati">ATI cards</link> section of the TV-out documentation,
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to know if you card's TV-out is supported under Linux/<application>MPlayer</application>.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">S3 cards</emphasis>: the Savage and Virge/DX chips have
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hardware acceleration. Use as new XFree86 version as possible, older drivers are
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buggy. Savage chips have problems with YV12 display, see <link linkend="s3">S3 Xv</link>
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section for details. Older, Trio cards have no, or slow hardware support.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">nVidia cards</emphasis>: may or may not be good choice for video playing.
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If you do not have a GeForce2 (or newer) card, it's not likely to work without bugs.
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<emphasis role="bold">the built-in nVidia driver in XFree86 does not support
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hardware YUV acceleration on all nVidia cards.</emphasis> You have
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to download nVidia's closed-source drivers from <ulink url="http://nvidia.com">nVidia.com</ulink>.
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See the <link linkend="nvidia">nVidia Xv driver</link> section for details. Please also check
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the <link linkend="tvout-nvidia">nVidia TV-out</link> section if you wish to
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use a TV.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">3DLabs GLINT R3 and Permedia3</emphasis>: a VIDIX driver
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is provided (pm3_vid). Please see the <link linkend="vidix">VIDIX</link> section
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for details.
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</para></listitem>
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<listitem><para>
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<emphasis role="bold">Other cards</emphasis>: none of the above?
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<itemizedlist>
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<listitem><simpara>
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Try if the XFree86 driver (and your card) supports hardware
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acceleration. See the <link linkend="xv">Xv</link> section for details.
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</simpara></listitem>
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<listitem><simpara>
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If it doesn't, then your card's video features aren't supported under
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your operating system :( If hardware scaling works under Windows, it
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doesn't mean it will work under Linux or other operating system, it depends on
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the drivers. Most manufacturers neither make Linux drivers nor release
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specifications of their chips - so you are unlucky if using their cards.
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See <xref linkend="non-yuv-cards"/>.
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</simpara></listitem>
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</itemizedlist>
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</para></listitem>
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</itemizedlist>
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</para>
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</sect2>
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<sect2 id="non-yuv-cards" xreflabel="Non-YUV cards">
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<title>Non-YUV cards</title>
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<para>
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Fullscreen playing can be achieved by either enabling <emphasis role="bold">
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software scaling</emphasis> (use the <option>-zoom</option> or <option>-vf</option> option,
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but I warn you: this is slow), or switching to a smaller video mode, for example
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352x288. If you don't have YUV acceleration, this latter method is recommended.
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Video mode switching can be enabled by using the <option>-vm</option> option and
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it works with the following drivers:
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<itemizedlist>
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<listitem><simpara>
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<emphasis role="bold">using</emphasis> XFree86: see details in <link linkend="dga">DGA driver</link> and
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<link linkend="x11">X11 driver</link> sections. DGA is recommended! Also
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try DGA via SDL, sometimes it's better.
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</simpara></listitem>
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<listitem><simpara>
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<emphasis role="bold">not using</emphasis> XFree86: try the drivers in the
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following order:
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<link linkend="vesa">vesa</link>,
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<link linkend="fbdev">fbdev</link>,
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<link linkend="svgalib">svgalib</link>,
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<link linkend="aalib">aalib</link>.
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</simpara></listitem>
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</itemizedlist>
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</para>
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</sect2>
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<!-- FIXME: find a more logical organization for this section -->
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<sect2 id="cirrus-logic-cards" xreflabel="Cirrus-Logic cards">
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<title>Cirrus-Logic cards</title>
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<itemizedlist>
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<listitem><para>
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GD 7548: present on-board and tested in Compaq Armada 41xx notebook series.
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<itemizedlist>
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<listitem><simpara>
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XFree86 3: works in 8/16bpp modes. However, the driver is dramatically slow
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and buggy in 800x600@16bpp. <emphasis role="bold">Recommended: 640x480@16bpp</emphasis>
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</simpara></listitem>
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<listitem><simpara>
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XFree86 4: the Xserver freezes soon after start unless acceleration is
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disabled, but then the whole thing gets slower than XFree86 3. No XVideo.
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</simpara></listitem>
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<listitem><simpara>
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FBdev: framebuffer can be turned on with the <systemitem>clgenfb</systemitem>
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driver in the kernel, though for me it worked only in 8bpp, thus unusable.
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The clgenfb source had to be extended with the 7548 ID before compilation.
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</simpara></listitem>
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<listitem><simpara>
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VESA: the card is only VBE 1.2 capable, so VESA output can't be used. Can't
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be workarounded with UniVBE.
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</simpara></listitem>
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<listitem><simpara>
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SVGAlib: detects an older Cirrus chip. Usable but slow with
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<option>-bpp 8</option>.
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</simpara></listitem>
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</itemizedlist>
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</para></listitem>
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</itemizedlist>
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</sect2>
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</sect1>
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<sect1 id="sound-cards">
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<title>Sound cards</title>
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<itemizedlist>
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<listitem><simpara>
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<emphasis role="bold">Soundblaster Live!</emphasis>: with this card you can use
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4 or 6 (<emphasis role="bold">5.1</emphasis>) channels AC3 decoding instead of 2. Read the
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<link linkend="swac3">Software AC3 decoding</link> section. For hardware AC3
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passthrough you <emphasis role="bold">must</emphasis> use ALSA 0.9 with OSS emulation!
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</simpara></listitem>
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<listitem><simpara>
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<emphasis role="bold">C-Media with S/PDIF out</emphasis>: hardware AC3
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passthrough is possible with these cards, see
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<link linkend="hwac3">Hardware AC3 decoding</link> section.
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</simpara></listitem>
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<listitem><simpara>
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Features of <emphasis role="bold">other cards</emphasis> aren't supported by
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<application>MPlayer</application>. <emphasis role="bold">It's very recommended
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to read the <link linkend="audio">sound card</link> section!</emphasis>
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</simpara></listitem>
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</itemizedlist>
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</sect1>
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<sect1 id="features">
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<title>Features</title>
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<itemizedlist>
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<listitem><para>
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Decide if you need GUI. If you do, see the <link linkend="gui">GUI</link>
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section before compiling.
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</para></listitem>
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<listitem><para>
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If you want to install <application>MEncoder</application> (our great
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all-purpose encoder), see the
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<link linkend="mencoder"><application>MEncoder</application></link> section.
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</para></listitem>
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<listitem><para>
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If you have a V4L compatible <emphasis role="bold">TV tuner</emphasis> card,
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and wish to watch/grab and encode movies with <application>MPlayer</application>,
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read the <link linkend="tv-input">TV input</link> section.
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</para></listitem>
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<listitem><para>
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If you have a V4L compatible <emphasis role="bold">radio tuner</emphasis> card,
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and wish to listen and capture sound with <application>MPlayer</application>,
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read the <link linkend="radio">radio</link> section.
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</para></listitem>
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<listitem><para>
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There is a neat <emphasis role="bold">OSD Menu</emphasis> support ready to be
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used. Check the <link linkend="subosd">OSD menu</link> section.
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</para></listitem>
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</itemizedlist>
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<para>
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Then build <application>MPlayer</application>:
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<screen>
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./configure
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make
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make install</screen>
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</para>
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<para>
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At this point, <application>MPlayer</application> is ready to use. The
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directory <filename class="directory">$PREFIX/share/mplayer</filename>
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contains the <filename>codecs.conf</filename> file, which is used to tell
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the program all the codecs and their capabilities. This file is needed only
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when you want to change its properties, as the main binary contains an internal
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copy of it. Check if you have
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<filename>codecs.conf</filename> in your home directory
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(<filename>~/.mplayer/codecs.conf</filename>) left from old
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<application>MPlayer</application> versions, and remove it.
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</para>
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<para>
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Note that if you have a <filename>codecs.conf</filename> in
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<filename>~/.mplayer/</filename>, the builtin and system
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<filename>codecs.conf</filename> will be ignored completely.
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Do not do this unless you want to fiddle with <application>MPlayer</application>
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internals as this can can cause many problems. If you want to change the codecs
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search order, use the <option>-vc</option>, <option>-ac</option>, <option>-vfm</option>,
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or <option>-afm</option> options either on the command line or in your
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config file (see the manual page).
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</para>
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<para>
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Debian users can build a .deb package for themselves, it's very simple.
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Just exec
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<screen>fakeroot debian/rules binary</screen>
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in <application>MPlayer</application>'s root directory. See
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<link linkend="debian">Debian packaging</link> for detailed instructions.
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</para>
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<para>
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<emphasis role="bold">Always browse the output of</emphasis>
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<filename>./configure</filename>, and the
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<filename>configure.log</filename> file, they contain information about
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what will be built, and what will not. You may also want to view
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<filename>config.h</filename> and <filename>config.mak</filename> files.
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If you have some libraries installed, but not detected by
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<filename>./configure</filename>, then check if you also have the proper
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header files (usually the -dev packages) and their version matches. The
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<filename>configure.log</filename> file usually tells you what is missing.
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</para>
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<para>
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Though not mandatory, the fonts should be installed in order to gain OSD,
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and subtitle functionality. The recommended method is installing a TTF
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font file and telling <application>MPlayer</application> to use it.
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See the <link linkend="subosd">Subtitles and OSD</link> section for details.
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</para>
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</sect1>
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<!-- ********** -->
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<sect1 id="gui">
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<title>What about the GUI?</title>
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<para>
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The GUI needs GTK 1.2.x or GTK 2.0 (it isn't fully GTK, but the panels are).
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The skins are stored in PNG format, so GTK, <systemitem class="library">libpng</systemitem>
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(and their devel stuff, usually called <systemitem class="library">gtk-dev</systemitem>
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and <systemitem class="library">libpng-dev</systemitem>) has to be installed.
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You can build it by specifying <option>--enable-gui</option> during
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<filename>./configure</filename>. Then, to turn on GUI mode, you have to
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execute the <command>gmplayer</command> binary.
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</para>
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<para>
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Currently you can't use the <option>-gui</option> option on the command
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line, due to technical reasons.
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</para>
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<para>
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As <application>MPlayer</application> doesn't have a skin included, you
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have to download them if you want to use the GUI. See the <ulink
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url="http://www.mplayerhq.hu/dload.html">download page</ulink>.
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They should be extracted to the usual system-wide directory (<filename
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class="directory">$PREFIX/share/mplayer/skins</filename>), or to <filename
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class="directory">$HOME/.mplayer/skins</filename>.
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|
<application>MPlayer</application> by default looks in these directories
|
|
for a directory named <filename class="directory">default</filename>, but
|
|
you can use the <option>-skin <replaceable>newskin</replaceable></option>
|
|
option, or the <literal>skin=newskin</literal> config file directive to use
|
|
the skin in <filename class="directory">*/skins/newskin</filename>
|
|
directory.
|
|
</para>
|
|
</sect1>
|
|
|
|
<!-- ********** -->
|
|
|
|
<sect1 id="fonts-osd">
|
|
<title>Fonts and OSD</title>
|
|
|
|
<para>
|
|
You need to tell <application>MPlayer</application> which font to use to
|
|
enjoy OSD and subtitles. Any TrueType font or special bitmap fonts will
|
|
work. However, TrueType fonts are recommended as they look far better,
|
|
can be properly scaled to the movie size and cope better with different
|
|
encodings.
|
|
</para>
|
|
|
|
|
|
<sect2 id="truetype-fonts">
|
|
<title>TrueType fonts</title>
|
|
|
|
<para>
|
|
There are two ways to get TrueType fonts to work. The first is to pass
|
|
the <option>-font</option> option to specify a TrueType font file on
|
|
the command line. This option will be a good candidate to put in your
|
|
configuration file (see the manual page for details).
|
|
The second is to create a symlink called <filename>subfont.ttf</filename>
|
|
to the font file of your choice. Either
|
|
<screen>ln -s <replaceable>/path/to/sample_font.ttf</replaceable> ~/.mplayer/subfont.ttf</screen>
|
|
for each user individually or a system-wide one:
|
|
<screen>ln -s <replaceable>/path/to/sample_font.ttf</replaceable> $PREFIX/share/mplayer/subfont.ttf</screen>
|
|
</para>
|
|
|
|
<para>
|
|
If <application>MPlayer</application> was compiled with
|
|
<systemitem class="library">fontconfig</systemitem> support, the above methods
|
|
won't work, instead <option>-font</option> expects a
|
|
<systemitem class="library">fontconfig</systemitem> font name
|
|
and defaults to the sans-serif font. To get a list of fonts known to
|
|
<systemitem class="library">fontconfig</systemitem>,
|
|
use <command>fc-list</command>. Example:
|
|
|
|
<screen>mplayer -font <replaceable>'Bitstream Vera Sans'</replaceable> <replaceable>anime.mkv</replaceable></screen>
|
|
</para>
|
|
|
|
</sect2>
|
|
|
|
|
|
<sect2 id="bitmap-fonts">
|
|
<title>bitmap fonts</title>
|
|
|
|
<para>
|
|
If for some reason you wish or need to employ bitmap fonts, download a set
|
|
from our homepage. You can choose between various
|
|
<ulink url="http://www.mplayerhq.hu/MPlayer/releases/fonts/">ISO fonts</ulink>
|
|
and some sets of fonts
|
|
<ulink url="http://www.mplayerhq.hu/MPlayer/contrib/fonts/">contributed by users</ulink>
|
|
in various encodings.
|
|
</para>
|
|
|
|
<para>
|
|
Uncompress the file you downloaded to
|
|
<filename class="directory">~/.mplayer</filename> or
|
|
<filename class="directory">$PREFIX/share/mplayer</filename>.
|
|
Then rename or symlink one of the extracted directories to
|
|
<filename class="directory">font</filename>, for example:
|
|
<screen>ln -s <replaceable>~/.mplayer/arial-24</replaceable> ~/.mplayer/font</screen>
|
|
<screen>ln -s <replaceable>$PREFIX/share/mplayer/arial-24</replaceable> $PREFIX/share/mplayer/font</screen>
|
|
</para>
|
|
|
|
<para>
|
|
Fonts should have an appropriate <filename>font.desc</filename> file
|
|
which maps unicode font positions to the actual code page of the
|
|
subtitle text. Another solution is to have UTF-8-encoded subtitles
|
|
and use the <option>-utf8</option> option or just name the subtitles
|
|
file <filename><video_name>.utf</filename> and have it in the
|
|
same directory as the video file.
|
|
</para>
|
|
|
|
</sect2>
|
|
|
|
|
|
<sect2 id="osdmenu">
|
|
<title>OSD menu</title>
|
|
|
|
<para>
|
|
<application>MPlayer</application> has a completely user definiable OSD Menu interface.
|
|
</para>
|
|
|
|
<note><simpara>
|
|
the Preferences menu is currently UNIMPLEMENTED!
|
|
</simpara></note>
|
|
|
|
<orderedlist>
|
|
<title>Installation</title>
|
|
<listitem><simpara>
|
|
compile <application>MPlayer</application> by passing the <option>--enable-menu</option>
|
|
to <filename>./configure</filename>
|
|
</simpara></listitem>
|
|
<listitem><simpara>
|
|
make sure you have an OSD font installed
|
|
</simpara></listitem>
|
|
<listitem><simpara>
|
|
copy <filename>etc/menu.conf</filename> to your
|
|
<filename class="directory">.mplayer</filename> directory
|
|
</simpara></listitem>
|
|
<listitem><simpara>
|
|
copy <filename>etc/input.conf</filename> to your
|
|
<filename class="directory">.mplayer</filename> directory, or to the system-wide
|
|
<application>MPlayer</application> config dir (default:
|
|
<filename class="directory">/usr/local/etc/mplayer</filename>)
|
|
</simpara></listitem>
|
|
<listitem><simpara>
|
|
check and edit <filename>input.conf</filename> to enable menu movement keys
|
|
(it is described there).
|
|
</simpara></listitem>
|
|
<listitem><para>
|
|
start <application>MPlayer</application> by the following example:
|
|
<screen>$ mplayer -menu <replaceable>file.avi</replaceable></screen>
|
|
</para></listitem>
|
|
<listitem><simpara>
|
|
push any menu key you defined
|
|
</simpara></listitem>
|
|
</orderedlist>
|
|
|
|
</sect2>
|
|
</sect1>
|
|
|
|
<!-- ********** -->
|
|
|
|
<sect1 id="rtc">
|
|
<title>RTC</title>
|
|
<para>
|
|
There are three timing methods in <application>MPlayer</application>.
|
|
|
|
<itemizedlist>
|
|
<listitem><simpara>
|
|
<emphasis role="bold">To use the old method</emphasis>, you don't have to do
|
|
anything. It uses <systemitem>usleep()</systemitem> to tune
|
|
A/V sync, with +/- 10ms accuracy. However sometimes the sync has to be
|
|
tuned even finer.
|
|
</simpara></listitem>
|
|
<listitem><para>
|
|
<emphasis role="bold">The new timer</emphasis> code uses the RTC (RealTime Clock)
|
|
for this task, because it has precise 1ms timers. The <option>-rtc</option>
|
|
option enables it, but a properly set up kernel is required.
|
|
If you are running kernel 2.4.19pre8 or later you can adjust the maximum RTC
|
|
frequency for normal users through the <systemitem class="systemname">/proc
|
|
</systemitem> filesystem. Use one of the following two commands to
|
|
enable RTC for normal users:
|
|
<screen>echo 1024 > /proc/sys/dev/rtc/max-user-freq</screen>
|
|
<screen>sysctl dev/rtc/max-user-freq=1024</screen>
|
|
You can make this setting permanent by adding the latter to
|
|
<filename>/etc/sysctl.conf</filename>.
|
|
</para>
|
|
<para>
|
|
You can see the new timer's efficiency in the status line.
|
|
The power management functions of some notebook BIOSes with speedstep CPUs
|
|
interact badly with RTC. Audio and video may get out of sync. Plugging the
|
|
external power connector in before you power up your notebook seems to help.
|
|
In some hardware combinations (confirmed during usage of non-DMA DVD drive
|
|
on an ALi1541 board) usage of the RTC timer causes skippy playback. It's
|
|
recommended to use the third method in these cases.
|
|
</para></listitem>
|
|
<listitem><simpara>
|
|
<emphasis role="bold">The third timer code</emphasis> is turned on with the
|
|
<option>-softsleep</option> option. It has the efficiency of the RTC, but it
|
|
doesn't use RTC. On the other hand, it requires more CPU.
|
|
</simpara></listitem>
|
|
</itemizedlist>
|
|
</para>
|
|
</sect1>
|
|
|
|
</chapter>
|