mirror of https://github.com/mpv-player/mpv
misc updates for the Xvid, x264 and AAC sections
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27776 b3059339-0415-0410-9bf9-f77b7e298cf2
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diego
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@ -15,7 +15,7 @@ of our homepage.
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</para>
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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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If you have a Win32 codec which is not supported yet,
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please read the <link linkend="codec-importing">codec importing HOWTO</link>
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and help us add support for it.
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</para>
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@ -58,22 +58,8 @@ Just run <filename>./configure</filename> and compile.
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<para>
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<ulink url="http://www.xvid.org">Xvid</ulink> is a free software MPEG-4 ASP
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compliant video codec, which features two pass encoding and full MPEG-4 ASP
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support, making it a lot more efficient than the well-known DivX codec.
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It yields very good video quality and good performance due to CPU
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optimizations for most modern processors.
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</para>
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<para>
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It began as a forked development of the OpenDivX codec.
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This happened when ProjectMayo changed OpenDivX to closed source
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DivX4, and the non-ProjectMayo people working on OpenDivX got angry,
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then started Xvid. So both projects have the same origin.
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</para>
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<para>
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Note that Xvid is not necessary to decode Xvid-encoded video.
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<systemitem class="library">libavcodec</systemitem> is used by
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compliant video codec. Note that Xvid is not necessary to decode Xvid-encoded
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video. <systemitem class="library">libavcodec</systemitem> is used by
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default as it offers better speed.
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</para>
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@ -126,57 +112,27 @@ default as it offers better speed.
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<sect2 id="codec-x264">
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<title><systemitem class="library">x264</systemitem></title>
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<sect3 id="codec-x264-whatis">
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<title>What is <systemitem class="library">x264</systemitem>?</title>
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<para>
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<ulink url="http://developers.videolan.org/x264.html"><systemitem class="library">x264</systemitem></ulink>
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is a library for creating H.264 video streams.
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It is not 100% complete, but supports most of H.264's features which impact
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quality.
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There are also many advanced features in the H.264 specification
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which have nothing to do with video quality per se; many of these
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are not yet implemented in <systemitem class="library">x264</systemitem>.
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</para>
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</sect3>
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<sect3 id="codec-x264-encode">
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<title>How can I encode videos using <application>MEncoder</application>
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and <systemitem class="library">x264</systemitem>?</title>
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<para>
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If you have the GIT client installed, the latest x264
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sources can be gotten with this command:
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<screen>git clone git://git.videolan.org/x264.git</screen>
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is a library for creating H.264 video.
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<application>MPlayer</application> sources are updated whenever
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an <systemitem class="library">x264</systemitem> API change
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occurs, so it is always suggested to use
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<application>MPlayer</application> from Subversion as well.
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Perhaps this situation will change when and if an
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<systemitem class="library">x264</systemitem> "release" occurs.
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Meanwhile, <systemitem class="library">x264</systemitem> should
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be considered a bit unstable, in the sense that its programming
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interface is subject to change.
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<application>MPlayer</application> from Subversion.
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</para>
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<para>
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<systemitem class="library">x264</systemitem> is built and
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installed in the standard way:
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<screen>./configure && make && sudo make install</screen>
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This installs libx264.a in /usr/local/lib and x264.h is placed in
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/usr/local/include.
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If you have a GIT client installed, the latest x264
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sources can be gotten with this command:
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<screen>git clone git://git.videolan.org/x264.git</screen>
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With the <systemitem class="library">x264</systemitem> library
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and header placed in the standard locations, building
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<application>MPlayer</application> with
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<systemitem class="library">x264</systemitem> support is easy.
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Just run the standard:
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<screen>./configure && make && sudo make install</screen>
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The <filename>./configure</filename> script will autodetect that you have
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satisfied the requirements for <systemitem class="library">x264</systemitem>.
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Then build and install in the standard way:
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<screen>./configure && make && make install</screen>
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Now rerun <filename>./configure</filename> for
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<application>MPlayer</application> to pick up
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<systemitem class="library">x264</systemitem> support.
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</para>
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</sect3>
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</sect2>
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</sect1>
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@ -286,21 +242,23 @@ only white noise).
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<title>AAC codec</title>
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<para>
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AAC (Advanced Audio Coding) is an audio codec sometimes found in MOV and MP4
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files. An open source decoder called FAAD is available from
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<ulink url="http://www.audiocoding.com"/>.
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<application>MPlayer</application> includes a CVS snapshot of libfaad 2.1
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beta, so you do not need to get it separately.
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An open source AAC decoder called FAAD2 is available from
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<ulink url="http://www.audiocoding.com/downloads.html"/>.
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<application>MPlayer</application> includes a copy of it in its source tree.
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If you want to use the external library instead, install it and pass
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<option>--enable-faad-external</option> to <filename>./configure</filename>.
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</para>
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<para>
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If you use gcc 3.2 which fails to compile our internal FAAD or want to use
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the external library for some other reason, download the library from the
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<ulink url="http://www.audiocoding.com/modules/mydownloads/">download page</ulink>
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and pass <option>--enable-faad-external</option>
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to <filename>./configure</filename>.
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You do not need all of faad2 to decode AAC files, libfaad is enough. Build
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it like this:
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FAAD2 binaries are not available from audiocoding.com, but you can (apt-)get
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Debian packages from
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<ulink url="http://www.debian-multimedia.org/">Christian Marillat</ulink>,
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Mandrake/Mandriva RPMs from the <ulink url="http://plf.zarb.org">P.L.F</ulink>
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and Fedora RPMs from <ulink url="http://rpm.livna.org/">Livna</ulink>.
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</para>
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<para>
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If you choose to build from source, you do not need all of FAAD2 to decode
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AAC files, libfaad is enough. Build it like this:
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<screen>
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cd faad2/
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sh bootstrap
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@ -309,11 +267,6 @@ cd libfaad
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make
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make install
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</screen>
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Binaries are not available from audiocoding.com, but you can (apt-)get Debian
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packages from
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<ulink url="http://www.debian-multimedia.org/">Christian Marillat's homepage</ulink>,
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Mandrake/Mandriva RPMs from the <ulink url="http://plf.zarb.org">P.L.F</ulink>
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and Fedora RPMs from <ulink url="http://rpm.livna.org/">Livna</ulink>.
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</para>
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</sect2>
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@ -3815,7 +3815,7 @@ and development advancements, you may get very different results.
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<systemitem class="library">x264</systemitem> is a free library for
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encoding H.264/AVC video streams.
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Before starting to encode, you need to
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<link linkend="codec-x264-encode">set up <application>MEncoder</application> to support it</link>.
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<link linkend="codec-x264">set up <application>MEncoder</application> to support it</link>.
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</para>
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<!-- ********** -->
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