[8a1e4f4] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[01062dd] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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[560e14cf] | 6 |
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[faec3f7] | 7 | <!ENTITY ffmpeg-download-http
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| 8 | "http://ffmpeg.org/releases/ffmpeg-&ffmpeg-version;.tar.bz2">
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[01062dd] | 9 | <!ENTITY ffmpeg-download-ftp " ">
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[baf1e23] | 10 | <!ENTITY ffmpeg-md5sum "ff8cb914f657e164dd60ea1008b555a8">
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| 11 | <!ENTITY ffmpeg-size "5.8 MB">
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| 12 | <!ENTITY ffmpeg-buildsize "256 MB">
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| 13 | <!ENTITY ffmpeg-time "3.9 SBU">
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[01062dd] | 14 | ]>
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| 15 |
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[0b5a693] | 16 | <sect1 id="ffmpeg" xreflabel="FFmpeg-&ffmpeg-version;">
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[8a1e4f4] | 17 | <?dbhtml filename="ffmpeg.html"?>
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| 18 |
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| 19 | <sect1info>
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| 20 | <othername>$LastChangedBy$</othername>
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| 21 | <date>$Date$</date>
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| 22 | </sect1info>
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| 23 |
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| 24 | <title>FFmpeg-&ffmpeg-version;</title>
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| 25 |
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| 26 | <indexterm zone="ffmpeg">
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| 27 | <primary sortas="a-FFmpeg">FFmpeg</primary>
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| 28 | </indexterm>
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| 29 |
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| 30 | <sect2 role="package">
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| 31 | <title>Introduction to FFmpeg</title>
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| 32 |
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[faec3f7] | 33 | <para>
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| 34 | <application>FFmpeg</application> is a solution to record, convert and
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| 35 | stream audio and video. It is a very fast video and audio converter and it
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| 36 | can also acquire from a live audio/video source. Designed to be intuitive,
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| 37 | the command-line interface (<command>ffmpeg</command>) tries to figure out
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| 38 | all the parameters, when possible. <application>FFmpeg</application> can
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| 39 | also convert from any sample rate to any other, and resize video on the
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| 40 | fly with a high quality polyphase filter.
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| 41 | <application>FFmpeg</application> can use a video4linux compatible video
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| 42 | source and any Open Sound System audio source.
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| 43 | </para>
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[9e5b78b] | 44 |
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[b53c153] | 45 | &lfs72_checked;
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[8a1e4f4] | 46 |
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| 47 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 48 | <itemizedlist spacing="compact">
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| 49 | <listitem>
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| 50 | <para>Download (HTTP): <ulink url="&ffmpeg-download-http;"/></para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>Download (FTP): <ulink url="&ffmpeg-download-ftp;"/></para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>Download MD5 sum: &ffmpeg-md5sum;</para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>Download size: &ffmpeg-size;</para>
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| 60 | </listitem>
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| 61 | <listitem>
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| 62 | <para>Estimated disk space required: &ffmpeg-buildsize;</para>
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| 63 | </listitem>
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| 64 | <listitem>
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| 65 | <para>Estimated build time: &ffmpeg-time;</para>
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| 66 | </listitem>
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| 67 | </itemizedlist>
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| 68 |
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[f29d6ee] | 69 | <bridgehead renderas="sect3">FFmpeg Dependencies</bridgehead>
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[8a1e4f4] | 70 |
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[28cd5ce] | 71 | <bridgehead renderas="sect4">Recommended</bridgehead>
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[aaa3ccd] | 72 | <para role="recommended">
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| 73 | <xref linkend="yasm"/>
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| 74 | </para>
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[28cd5ce] | 75 |
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[8a1e4f4] | 76 | <bridgehead renderas="sect4">Optional</bridgehead>
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[efcf979] | 77 | <para role="optional">
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[baf1e23] | 78 | <xref linkend="faad2"/>,
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[efcf979] | 79 | <xref linkend="lame"/>,
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[baf1e23] | 80 | <xref linkend="libtheora"/>,
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[efcf979] | 81 | <xref linkend="libvorbis"/>,
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[baf1e23] | 82 | <xref linkend="libvpx"/>,
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[aaa3ccd] | 83 | <xref linkend="xorg7-lib"/>,
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[efcf979] | 84 | <ulink url="http://www.videolan.org/developers/x264.html">x264</ulink>
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| 85 | <xref linkend="xvid"/>,
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[52b1b8c] | 86 | <ulink url="http://sourceforge.net/projects/opencore-amr">OpenCore AMR</ulink>,
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[baf1e23] | 87 | <xref linkend="faac"/>,
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[efcf979] | 88 | <xref linkend="freetype2"/>,
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| 89 | <ulink url="http://libgsm.sourcearchive.com/">GSM</ulink>,
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| 90 | <ulink url="http://sourceforge.net/projects/libdc1394">libdc1394</ulink>,
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| 91 | <ulink url="http://svn.mplayerhq.hu/nut/src/trunk/">libnut</ulink>
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| 92 | (SVN checkout),
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[4162bcd] | 93 | <ulink url="http://xavs.sourceforge.net/">libxavs</ulink>
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| 94 | (SVN checkout),
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[efcf979] | 95 | <ulink url="http://sourceforge.net/projects/librtmp">librtmp</ulink>,
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| 96 | <ulink url="http://diracvideo.org/">libschroedinger</ulink>,
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| 97 | <ulink url="http://medialibrary.sourceforge.net/">MediaLibrary</ulink>,
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[4162bcd] | 98 | <ulink
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| 99 | url="http://connect.creativelabs.com/openal/default.aspx">OpenAL</ulink>,
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| 100 | <ulink url="http://tipok.org.ua/node/17">libaacplus</ulink>,
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| 101 | <ulink url="http://code.google.com/p/libass/">libass</ulink>,
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| 102 | <ulink url="http://www.celt-codec.org/">libcelt</ulink>,
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| 103 | <ulink url="http://ftp.gnu.org/pub/gnu/libcdio/">libcdio</ulink>,
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| 104 | <ulink
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| 105 | url="http://sourceforge.net/projects/opencvlibrary/">libopencv</ulink>,
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| 106 | <ulink url="http://sourceforge.net/projects/libdc1394/">libdc1394</ulink>,
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| 107 | <ulink url="http://linuxtv.org/downloads/v4l-utils/">libv4l2</ulink>,
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[faec3f7] | 108 | <xref linkend="openjpeg"/>
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[601a838] | 109 | (<application>FFmpeg</application> includes code for its own jpeg2000
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| 110 | encoder and decoder, which is enabled by default),
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[efcf979] | 111 | <xref linkend="speex"/>,
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[4162bcd] | 112 | <xref linkend="gnutls"/>,
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| 113 | <xref linkend="openssl"/>,
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[efcf979] | 114 | <xref linkend="sdl"/> and
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| 115 | <ulink url="http://www.nongnu.org/texi2html">texi2html</ulink>
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| 116 | (to build HTML documentation).</para>
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[8a1e4f4] | 117 |
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[aaa3ccd] | 118 | <bridgehead renderas="sect4">Optional (For Hardware Video Decoding)</bridgehead>
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| 119 | <para role="optional">
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| 120 | <ulink url="http://cgit.freedesktop.org/vaapi/libva/">VA API</ulink>
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| 121 | with corresponding drivers, including:
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| 122 | <ulink url="http://cgit.freedesktop.org/vaapi/intel-driver/">Intel Driver (i965 chipsets only)</ulink>,
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| 123 | <ulink url="http://www.splitted-desktop.com/static/libva/xvba-video/">XVBA Driver for Radeon Cards</ulink> and
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| 124 | <ulink url="http://cgit.freedesktop.org/vaapi/vdpau-driver/">VDPAU Driver for NVidia Cards</ulink>
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| 125 | (requires <ulink url="http://cgit.freedesktop.org/~aplattner/libvdpau/">libvdpau</ulink>).
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| 126 | </para>
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| 127 |
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[faec3f7] | 128 | <para condition="html" role="usernotes">
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| 129 | User Notes: <ulink url="&blfs-wiki;/ffmpeg"/>
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| 130 | </para>
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[8a1e4f4] | 131 | </sect2>
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| 132 |
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| 133 | <sect2 role="installation">
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| 134 | <title>Installation of FFmpeg</title>
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| 135 |
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[faec3f7] | 136 | <para>
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| 137 | Install <application>FFmpeg</application> by running the following
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| 138 | commands:
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| 139 | </para>
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[8a1e4f4] | 140 |
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[2216c969] | 141 | <screen><userinput>./configure --prefix=/usr --enable-gpl \
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| 142 | --enable-shared --disable-static &&
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[28cd5ce] | 143 | make</userinput></screen>
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| 144 |
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[2216c969] | 145 | <para>To convert the docs to html use the following commands:</para>
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[c08bd877] | 146 |
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[2216c969] | 147 | <screen><userinput>cd doc &&
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| 148 | sed -i '/@top/d;/ignore$/d' *.texi &&
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| 149 | sed -i '/@include avoptions/d' avtools-common-opts.texi &&
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| 150 | for DOC in *.texi
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| 151 | do makeinfo --html --no-split -o ${DOC%texi}html ${DOC}
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| 152 | done &&
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| 153 | cd ..</userinput></screen>
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[c08bd877] | 154 |
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[faec3f7] | 155 | <para>
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| 156 | If you have <xref linkend="doxygen"/> installed and wish to create the API
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| 157 | documentation (takes about 150 MB of space), issue the command
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| 158 | <command>doxygen</command>.
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| 159 | </para>
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[8a1e4f4] | 160 |
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[4162bcd] | 161 | <para>This package does not come with a test suite.</para>
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[8a1e4f4] | 162 |
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[9e5b78b] | 163 | <para>Now, as the <systemitem class="username">root</systemitem>
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| 164 | user:</para>
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[8a1e4f4] | 165 |
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[9e5b78b] | 166 | <screen role="root"><userinput>make install &&
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[77b4c621] | 167 | make install-man &&
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[9e5b78b] | 168 | mkdir /usr/share/doc/ffmpeg-&ffmpeg-version; &&
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[2216c969] | 169 | cp doc/*.html doc/*.txt /usr/share/doc/ffmpeg-&ffmpeg-version;</userinput></screen>
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[9e5b78b] | 170 |
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[faec3f7] | 171 | <para>
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[2216c969] | 172 | The <application>FFmpeg</application> source contains a tool called
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| 173 | <command>qt-faststart</command> that can modify QuickTime formatted movies
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| 174 | (mov or mp4) so that the header information is located at the beginning of
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| 175 | the file instead of the end. This allows video players to begin playing
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| 176 | the content before the entire file has been downloaded. An example of
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| 177 | where this is useful for preparing videos before uploading them to
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| 178 | YouTube. If need <command>qt-faststart</command>, you can compile it with
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| 179 | gcc. As the <systemitem class="username">root</systemitem> user:
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[faec3f7] | 180 | </para>
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[fd7e0ed6] | 181 |
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[5d74f127] | 182 | <screen><userinput>gcc tools/qt-faststart.c -o /usr/bin/qt-faststart</userinput></screen>
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[c08bd877] | 183 |
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[faec3f7] | 184 | <para>
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[2216c969] | 185 | If you used <command>doxygen</command> to create the API documentation,
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| 186 | install it by issuing the following commands as the
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[faec3f7] | 187 | <systemitem class="username">root</systemitem> user:
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| 188 | </para>
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[c08bd877] | 189 |
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[2216c969] | 190 | <screen role="root"><userinput>mkdir /usr/share/doc/ffmpeg-&ffmpeg-version;/api &&
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| 191 | cp -v doxy/* /usr/share/doc/ffmpeg-&ffmpeg-version;/api</userinput></screen>
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[8a1e4f4] | 192 | </sect2>
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| 193 |
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| 194 | <sect2 role="commands">
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| 195 | <title>Command Explanations</title>
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| 196 |
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[faec3f7] | 197 | <para>
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[baf1e23] | 198 | <option>--enable-gpl</option>: This switch enables the use of GPL code and
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| 199 | permits support for postprocessing, swscale and many other features.
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[faec3f7] | 200 | </para>
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| 201 |
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| 202 | <para>
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[baf1e23] | 203 | <option>--enable-shared</option>: This switch is needed to build the
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| 204 | shared libraries, otherwise only static libraries are built and installed.
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[faec3f7] | 205 | </para>
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[8a1e4f4] | 206 |
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[baf1e23] | 207 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 208 | href="../../xincludes/static-libraries.xml"/>
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| 209 |
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[faec3f7] | 210 | <para>
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| 211 | <option>--enable-<replaceable><codec></replaceable></option>:
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| 212 | <application>FFmpeg</application> comes with code to compile decoders for
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| 213 | almost every codec you could think of. The only reason to enable a
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| 214 | specific codec (and make <application>FFmpeg</application> link to the
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| 215 | prerequisite shared library installed on your system) is to make ffmpeg
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[2216c969] | 216 | compile an <emphasis>encoder</emphasis> for that codec.
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| 217 | <application>FFmpeg</application> is an excellent collection of decoders.
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| 218 | If you just want to use <application>FFmpeg</application> to watch video
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| 219 | or listen to music (via other applications like
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| 220 | <application>Gstreamer</application> or Xine) then you will not benefit
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| 221 | from linking FFmpeg to another library.
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| 222 | </para>
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| 223 |
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| 224 | <para>
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| 225 | <command>sed -i '/@top/d;/ignore$/d' *.texi</command> and
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| 226 | <command>sed -i '/@include avoptions/d' avtools-common-opts.texi</command>:
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| 227 | these seds work around problems with the .texi files.
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| 228 | </para>
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| 229 |
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| 230 | <para>
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| 231 | <command>makeinfo --html --no-split -o ${DOC%texi}html ${DOC}</command>:
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| 232 | this converts the .texi files into html.
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[faec3f7] | 233 | </para>
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[8a1e4f4] | 234 | </sect2>
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| 235 |
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| 236 | <sect2 role="configuration">
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| 237 | <title>Configuring FFmpeg</title>
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| 238 |
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| 239 | <sect3 id="ffmpeg-config">
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| 240 | <title>Config Files</title>
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| 241 |
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[f009801] | 242 | <para><filename>/etc/ffserver.conf</filename> and
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[8a1e4f4] | 243 | <filename>~/.ffmpeg/ffserver-config</filename></para>
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| 244 |
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| 245 | <indexterm zone="ffmpeg ffmpeg-config">
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[4162bcd] | 246 | <primary
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| 247 | sortas="e-AA.ffmpeg-ffserver-config">~/.ffmpeg/ffserver-config</primary>
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[8a1e4f4] | 248 | </indexterm>
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| 249 |
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| 250 | <indexterm zone="ffmpeg ffmpeg-config">
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| 251 | <primary sortas="e-etc-ffserver.conf">/etc/ffserver.conf</primary>
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| 252 | </indexterm>
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| 253 |
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[faec3f7] | 254 | <para>
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| 255 | You'll find a sample <command>ffserver</command> configuration file at
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| 256 | <filename>doc/ffserver.conf</filename> in the source tree.
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| 257 | </para>
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[8a1e4f4] | 258 | </sect3>
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| 259 | </sect2>
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| 260 |
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| 261 | <sect2 role="content">
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| 262 | <title>Contents</title>
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| 263 |
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| 264 | <segmentedlist>
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| 265 | <segtitle>Installed Programs</segtitle>
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| 266 | <segtitle>Installed Libraries</segtitle>
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| 267 | <segtitle>Installed Directories</segtitle>
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| 268 |
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| 269 | <seglistitem>
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[faec3f7] | 270 | <seg>
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| 271 | ffmpeg,
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| 272 | ffplay,
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| 273 | ffprobe,
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| 274 | ffserver and
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| 275 | qt-faststart
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| 276 | </seg>
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| 277 | <seg>
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| 278 | libavcodec.so,
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| 279 | libavdevice.so,
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| 280 | libavfilter.so,
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| 281 | libavformat.so,
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| 282 | libavutil.so,
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[baf1e23] | 283 | libpostproc.so,
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| 284 | libswresample and
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[faec3f7] | 285 | libswscale.so
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| 286 | </seg>
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| 287 | <seg>
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| 288 | /usr/include/libavcodec,
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[baf1e23] | 289 | /usr/include/libavdevice,
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[faec3f7] | 290 | /usr/include/libavfilter,
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| 291 | /usr/include/libavformat,
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| 292 | /usr/include/libavutil,
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[baf1e23] | 293 | /usr/include/libpostproc,
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| 294 | /usr/include/libswresample
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[faec3f7] | 295 | /usr/include/libswscale,
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| 296 | /usr/share/ffmpeg and
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| 297 | /usr/share/doc/ffmpeg-&ffmpeg-version;
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| 298 | </seg>
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[8a1e4f4] | 299 | </seglistitem>
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| 300 | </segmentedlist>
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| 301 |
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| 302 | <variablelist>
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| 303 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 304 | <?dbfo list-presentation="list"?>
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| 305 | <?dbhtml list-presentation="table"?>
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| 306 |
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| 307 | <varlistentry id="ffmpeg-prog">
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| 308 | <term><command>ffmpeg</command></term>
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| 309 | <listitem>
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[faec3f7] | 310 | <para>
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| 311 | is a command-line tool to convert video files, network streams and
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| 312 | input from a TV card to several video formats.
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| 313 | </para>
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[8a1e4f4] | 314 | <indexterm zone="ffmpeg ffmpeg-prog">
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| 315 | <primary sortas="b-ffmpeg">ffmpeg</primary>
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| 316 | </indexterm>
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| 317 | </listitem>
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| 318 | </varlistentry>
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| 319 |
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| 320 | <varlistentry id="ffplay">
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| 321 | <term><command>ffplay</command></term>
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| 322 | <listitem>
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[faec3f7] | 323 | <para>
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| 324 | is a very simple and portable media player using the
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| 325 | <filename>ffmpeg</filename> libraries and the SDL library.
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| 326 | </para>
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[8a1e4f4] | 327 | <indexterm zone="ffmpeg ffplay">
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| 328 | <primary sortas="b-ffplay">ffplay</primary>
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| 329 | </indexterm>
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| 330 | </listitem>
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| 331 | </varlistentry>
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| 332 |
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[f60198bf] | 333 | <varlistentry id="ffprobe">
|
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| 334 | <term><command>ffprobe</command></term>
|
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| 335 | <listitem>
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[faec3f7] | 336 | <para>
|
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| 337 | gathers information from multimedia streams and prints it in a human
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| 338 | and machine-readable fashion.
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| 339 | </para>
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[f60198bf] | 340 | <indexterm zone="ffmpeg ffprobe">
|
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| 341 | <primary sortas="b-ffprobe">ffprobe</primary>
|
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| 342 | </indexterm>
|
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| 343 | </listitem>
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| 344 | </varlistentry>
|
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| 345 |
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[8a1e4f4] | 346 | <varlistentry id="ffserver">
|
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| 347 | <term><command>ffserver</command></term>
|
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| 348 | <listitem>
|
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[faec3f7] | 349 | <para>
|
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| 350 | is a streaming server for everything that <command>ffmpeg</command>
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| 351 | could use as input (files, streams, TV card input, webcam, etc).
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| 352 | </para>
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[8a1e4f4] | 353 | <indexterm zone="ffmpeg ffserver">
|
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| 354 | <primary sortas="b-ffserver">ffserver</primary>
|
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| 355 | </indexterm>
|
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| 356 | </listitem>
|
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| 357 | </varlistentry>
|
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| 358 |
|
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[c08bd877] | 359 | <varlistentry id="qt-faststart">
|
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| 360 | <term><command>qt-faststart</command></term>
|
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| 361 | <listitem>
|
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[faec3f7] | 362 | <para>
|
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| 363 | moves the index file to the front of quicktime (mov/mp4) videos.
|
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| 364 | </para>
|
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[c08bd877] | 365 | <indexterm zone="ffmpeg qt-faststart">
|
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| 366 | <primary sortas="b-qt-faststart">qt-faststart</primary>
|
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| 367 | </indexterm>
|
---|
| 368 | </listitem>
|
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| 369 | </varlistentry>
|
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| 370 |
|
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[8a1e4f4] | 371 | <varlistentry id="libavcodec">
|
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[4162bcd] | 372 | <term><filename class="libraryfile">libavcodec.so</filename></term>
|
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[8a1e4f4] | 373 | <listitem>
|
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[faec3f7] | 374 | <para>
|
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| 375 | is a library containing the <application>FFmpeg</application> codecs
|
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| 376 | (both encoding and decoding).
|
---|
| 377 | </para>
|
---|
[8a1e4f4] | 378 | <indexterm zone="ffmpeg libavcodec">
|
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[9e5b78b] | 379 | <primary sortas="c-libavcodec">libavcodec.so</primary>
|
---|
[28cd5ce] | 380 | </indexterm>
|
---|
| 381 | </listitem>
|
---|
| 382 | </varlistentry>
|
---|
| 383 |
|
---|
| 384 | <varlistentry id="libavdevice">
|
---|
[4162bcd] | 385 | <term><filename class="libraryfile">libavdevice.so</filename></term>
|
---|
[28cd5ce] | 386 | <listitem>
|
---|
[faec3f7] | 387 | <para>
|
---|
| 388 | is the <application>FFmpeg</application> device handling library.
|
---|
| 389 | </para>
|
---|
[28cd5ce] | 390 | <indexterm zone="ffmpeg libavdevice">
|
---|
[9e5b78b] | 391 | <primary sortas="c-libavdevice">libavdevice.so</primary>
|
---|
| 392 | </indexterm>
|
---|
| 393 | </listitem>
|
---|
| 394 | </varlistentry>
|
---|
| 395 |
|
---|
| 396 | <varlistentry id="libavfilter">
|
---|
[4162bcd] | 397 | <term><filename class="libraryfile">libavfilter.so</filename></term>
|
---|
[9e5b78b] | 398 | <listitem>
|
---|
[faec3f7] | 399 | <para>
|
---|
| 400 | is a library of filters that can alter video or audio between the
|
---|
| 401 | decoder and the encoder (or output).
|
---|
| 402 | </para>
|
---|
[9e5b78b] | 403 | <indexterm zone="ffmpeg libavfilter">
|
---|
| 404 | <primary sortas="c-libavfilter">libavfilter.so</primary>
|
---|
[8a1e4f4] | 405 | </indexterm>
|
---|
| 406 | </listitem>
|
---|
| 407 | </varlistentry>
|
---|
| 408 |
|
---|
| 409 | <varlistentry id="libavformat">
|
---|
[4162bcd] | 410 | <term><filename class="libraryfile">libavformat.so</filename></term>
|
---|
[8a1e4f4] | 411 | <listitem>
|
---|
[faec3f7] | 412 | <para>
|
---|
| 413 | is a library containing the file formats handling (mux and demux
|
---|
| 414 | code for several formats) used by <command>ffplay</command> as well
|
---|
| 415 | as allowing the generation of audio or video streams.
|
---|
| 416 | </para>
|
---|
[8a1e4f4] | 417 | <indexterm zone="ffmpeg libavformat">
|
---|
[9e5b78b] | 418 | <primary sortas="c-libavformat">libavformat.so</primary>
|
---|
[28cd5ce] | 419 | </indexterm>
|
---|
| 420 | </listitem>
|
---|
| 421 | </varlistentry>
|
---|
| 422 |
|
---|
| 423 | <varlistentry id="libavutil">
|
---|
[4162bcd] | 424 | <term><filename class="libraryfile">libavutil.so</filename></term>
|
---|
[28cd5ce] | 425 | <listitem>
|
---|
| 426 | <para>is the <application>FFmpeg</application> utility library.</para>
|
---|
| 427 | <indexterm zone="ffmpeg libavutil">
|
---|
[9e5b78b] | 428 | <primary sortas="c-libavutil">libavutil.so</primary>
|
---|
[28cd5ce] | 429 | </indexterm>
|
---|
| 430 | </listitem>
|
---|
| 431 | </varlistentry>
|
---|
| 432 |
|
---|
[874f1e88] | 433 | <varlistentry id="libpostproc">
|
---|
[4162bcd] | 434 | <term><filename class="libraryfile">libpostproc.so</filename></term>
|
---|
[28cd5ce] | 435 | <listitem>
|
---|
[faec3f7] | 436 | <para>
|
---|
| 437 | is the <application>FFmpeg</application> post processing library.
|
---|
| 438 | </para>
|
---|
[28cd5ce] | 439 | <indexterm zone="ffmpeg libpostproc">
|
---|
[9e5b78b] | 440 | <primary sortas="c-libpostproc">libpostproc.so</primary>
|
---|
[28cd5ce] | 441 | </indexterm>
|
---|
| 442 | </listitem>
|
---|
| 443 | </varlistentry>
|
---|
| 444 |
|
---|
[baf1e23] | 445 | <varlistentry id="libswresample">
|
---|
| 446 | <term><filename class="libraryfile">libswresample.so</filename></term>
|
---|
| 447 | <listitem>
|
---|
| 448 | <para>
|
---|
| 449 | is the <application>FFmpeg</application> audio rescaling library,
|
---|
| 450 | it contains functions for converting audio sample formats.
|
---|
| 451 | </para>
|
---|
| 452 | <indexterm zone="ffmpeg libswresample">
|
---|
| 453 | <primary sortas="c-libswresample">libswresample.so</primary>
|
---|
| 454 | </indexterm>
|
---|
| 455 | </listitem>
|
---|
| 456 | </varlistentry>
|
---|
| 457 |
|
---|
[28cd5ce] | 458 | <varlistentry id="libswscale">
|
---|
[4162bcd] | 459 | <term><filename class="libraryfile">libswscale.so</filename></term>
|
---|
[28cd5ce] | 460 | <listitem>
|
---|
[faec3f7] | 461 | <para>
|
---|
| 462 | is the <application>FFmpeg</application> image rescaling library.
|
---|
| 463 | </para>
|
---|
[28cd5ce] | 464 | <indexterm zone="ffmpeg libswscale">
|
---|
[9e5b78b] | 465 | <primary sortas="c-libswscale">libswscale.so</primary>
|
---|
[8a1e4f4] | 466 | </indexterm>
|
---|
| 467 | </listitem>
|
---|
| 468 | </varlistentry>
|
---|
| 469 | </variablelist>
|
---|
| 470 | </sect2>
|
---|
[49e5372] | 471 | </sect1>
|
---|