2002-06-13 00:31:16 +00:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML>
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<HEAD>
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2002-08-04 00:07:55 +00:00
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<TITLE>Codecs - MPlayer - The Movie Player for Linux</TITLE>
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2002-06-12 09:14:08 +00:00
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<LINK REL="stylesheet" TYPE="text/css" HREF="default.css">
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2002-06-13 00:31:16 +00:00
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
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2002-03-07 17:55:34 +00:00
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</HEAD>
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2002-06-13 00:31:16 +00:00
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<BODY>
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2001-08-26 17:28:49 +00:00
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2001-08-21 21:01:54 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="codecs">2.2 Supported codecs</A></B></P>
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2001-08-21 21:01:54 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="video_codecs">2.2.1 Video codecs</A></B></P>
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2001-08-24 18:48:13 +00:00
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2002-08-11 18:27:38 +00:00
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<P>See the <A HREF="http://www.mplayerhq.hu/DOCS/codecs-status.html">codec status table</A>
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for the complete, daily generated list.</P>
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2001-08-24 18:48:13 +00:00
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2002-04-08 16:40:52 +00:00
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<P>The most important ones above all:</P>
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<UL>
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<LI>MPEG1 (VCD) and MPEG2 (DVD) video</LI>
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<LI>native decoders for DivX ;-), OpenDivX, DivX4, DivX5,
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M$ MPEG4 v1, v2 and other MPEG4 variants</LI>
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<LI>native decoder for Windows Media Video 7 (WMV1), and Win32 DLL decoder for
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Windows Media Video 8 (WMV2), both used in .wmv files</LI>
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<LI><B>native Sorenson (SVQ1) decoder</B></LI>
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<LI>3ivx decoder</LI>
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<LI>Cinepak and Intel Indeo codecs (3.1,3.2,4.1,5.0)</LI>
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<LI>MJPEG, AVID, VCR2, ASV2 and other hardware formats</LI>
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<LI>VIVO 1.0, 2.0, I263 and other h263(+) variants</LI>
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<LI>FLI/FLC</LI>
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<LI>RealVideo 1.0 codec from libavcodec, and RealVideo 2.0, 3.0 codecs using
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RealPlayer libraries</LI>
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<LI>native decoder for HuffYUV</LI>
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<LI>various old simple RLE-like formats</LI>
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</UL>
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2001-08-24 18:48:13 +00:00
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2002-08-10 20:26:43 +00:00
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<P>If you have a Win32 codec not listed here which is not supported yet, please
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read the <A HREF="#importing">codec importing HOWTO</A> and help us add support
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2002-08-14 12:24:01 +00:00
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for it.</P>
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2001-08-24 18:48:13 +00:00
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2002-08-11 18:27:38 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="divx">2.2.1.1 DivX4/DivX5</A></B></P>
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2001-08-24 18:48:13 +00:00
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2002-08-10 20:26:43 +00:00
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<P>This section contains information about the DivX4 and DivX5 codecs of
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<A HREF="http://www.projectmayo.com">Project Mayo</A>. Their first available
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alpha version was OpenDivX 4.0 alpha 47 and 48. Support for this was included
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in <B>MPlayer</B> in the past, and built by default. We also used its
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postprocessing code to optionally enhance visual quality of MPEG1/2 movies.
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Now we use our own, for all file types.</P>
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2001-08-24 18:48:13 +00:00
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2002-08-10 20:26:43 +00:00
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<P>The new generation of this codec is called DivX4 and can even decode
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movies made with the infamous DivX codec! In addition it is much faster than
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the native Win32 DivX DLLs but slower than libavcodec. Hence its usage as a
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decoder is <B>DISCOURAGED</B>. However, it is useful for encoding. One
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disadvantage of this codec is that it is currently closed source.</P>
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2001-12-18 17:07:21 +00:00
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2002-04-08 16:40:52 +00:00
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<P>The codec can be downloaded from one of the following URLs:</P>
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2001-12-18 17:07:21 +00:00
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2002-04-08 16:40:52 +00:00
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<P> <A HREF="http://avifile.sourceforge.net">http://avifile.sourceforge.net</A><BR>
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<A HREF="http://divx.com">http://divx.com</A></P>
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2001-11-04 14:35:50 +00:00
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<P>Unpack it, and run <CODE>./install.sh</CODE> as root.</P>
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2001-08-24 18:48:13 +00:00
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2002-07-24 01:56:08 +00:00
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<P><B>Note:</B> Do <B>not</B> forget adding <CODE>/usr/local/lib</CODE> to your
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<CODE>/etc/ld.so.conf</CODE> and running <CODE>ldconfig</CODE>!</P>
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2001-08-24 18:48:13 +00:00
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2002-04-08 16:40:52 +00:00
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<P><B>MPlayer</B> autodetects DivX4/DivX5 if it is properly installed, just
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compile as usual. If it does not detect it, you did not install or configure
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it correctly.</P>
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2001-08-24 18:48:13 +00:00
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2002-06-28 06:07:46 +00:00
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<P>DivX4Linux works in two modes:</P>
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<TABLE BORDER=0>
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<TR><TD> </TD><TD VALIGN=top><CODE>-vc odivx</CODE></TD><TD> </TD>
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<TD>Uses the codec in OpenDivX fashion. In this case it
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produces YV12 images in its own buffer, and <B>MPlayer</B> does colorspace
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conversion via libvo. (<B>Fast, recommended!</B>)</TD></TR>
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<TR><TD></TD><TD VALIGN=top><CODE>-vc divx4</CODE></TD><TD></TD>
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<TD>Uses the colorspace conversion of the codec.
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In this mode you can use YUY2/UYVY, too. (<B>SLOW</B>)</TD></TR>
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</TABLE>
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2001-08-24 18:48:13 +00:00
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2002-08-10 20:26:43 +00:00
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<P>The <CODE>-vc odivx</CODE> method is usually faster, due to the fact that it
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transfers image data in YV12 (planar YUV 4:2:0) format, thus requiring much
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less bandwidth on the bus. For packed YUV modes (YUY2, UYVY) use the
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<CODE>-vc divx4</CODE> method. For RGB modes the speed is the same, differing
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at best according to your current color depth.</P>
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2001-08-24 18:48:13 +00:00
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2002-07-24 01:56:08 +00:00
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<P><B>Note:</B> If your <CODE>-vo</CODE> driver supports direct rendering, then
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<CODE>-vc divx4</CODE> may be faster or even the fastest solution.</P>
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2002-03-15 22:29:22 +00:00
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2002-05-04 16:29:11 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="libavcodec">2.2.1.2 FFmpeg DivX/libavcodec</A></B></P>
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2002-04-08 16:40:52 +00:00
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2002-08-10 20:26:43 +00:00
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<P><A HREF="http://ffmpeg.sourceforge.net">FFmpeg</A> contains an
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<B>open source</B> codec package, which is capable of decoding video streams
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encoded with
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H263/MJPEG/RV10/DivX3/DivX4/DivX5/MP41/MP42/WMV1
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codecs. Not only some of them can be encoded with, but it also offers higher
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speed than the Win32 codecs or the ProjectMayo DivX4/5 library!</P>
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<P>It contains a lot of nice codecs, especially important are the MPEG4
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variants:
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DivX 3, DivX 4, DivX 5, Windows Media Video 7 (WMV1)</P>
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2002-01-06 23:36:29 +00:00
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2002-08-10 20:26:43 +00:00
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<P>If you use an <B>MPlayer</B> release you have libavcodec right in the
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package, just build as usual. If you use <B>MPlayer</B> from CVS you have to
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extract libavcodec from the FFmpeg CVS tree as FFmpeg 0.4.5 does <B>not</B>
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work with <B>MPlayer</B>. In order to achieve this do:</P>
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2002-01-06 23:36:29 +00:00
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2002-04-08 16:40:52 +00:00
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<OL>
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<LI><CODE>cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg login</CODE></LI>
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<LI><CODE>cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg co ffmpeg</CODE></LI>
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<LI>Move the <CODE>libavcodec</CODE> directory from the FFmpeg sources to the
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root of the <B>MPlayer</B> CVS tree. It should look like this:
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<P> <CODE>main/libavcodec</CODE></P>
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Symlinking is <B>not</B> enough, you have to copy or move it!</LI>
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<LI>Compile. Configure should detect problems before compilation.</LI>
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</OL>
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2001-08-24 18:48:13 +00:00
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2002-07-24 01:56:08 +00:00
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<P><B>Note:</B> MPlayer from CVS does contain a libavcodec
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subdirectory, but it does <B>not</B> contain the source for libavcodec!
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You must follow the steps above to obtain the source for this library.</P>
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2001-08-21 21:01:54 +00:00
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2002-04-08 16:40:52 +00:00
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<P>With FFmpeg and my Matrox G400, I can view even the highest resolution DivX
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movies without dropped frames on my K6/2 500.</P>
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2001-08-21 21:01:54 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="xanim">2.2.1.3 XAnim codecs</A></B></P>
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2001-10-23 09:43:56 +00:00
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2002-04-08 16:40:52 +00:00
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<P>Foreword:<BR>
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Be advised that the XAnim binary codecs are packaged with a piece of text
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claiming to be a legally binding software license which, besides other
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restrictions, forbids the user to use the codecs in conjunction with any
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program other than XAnim. However, the XAnim author has yet to bring legal
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action against anyone for codec-related issues.
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2002-03-18 22:24:18 +00:00
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</P>
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2001-10-23 09:43:56 +00:00
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2002-04-08 16:40:52 +00:00
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<P><B>MPlayer</B> is capable of employing the XAnim codecs for decoding. Follow
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the instructions to enable them:</P>
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2001-10-23 09:43:56 +00:00
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<UL>
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<LI>Download the codecs you wish to use from the
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<A HREF="http://xanim.va.pubnix.com">XAnim site</A>. The <B>3ivx</B> codec
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is not there, but at the <A HREF="http://www.3ivx.com">3ivx site</A>.</LI>
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<LI>Use the <CODE>--with-xanimlibdir</CODE> option to tell configure where
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to find the XAnim codecs. By default, it looks for them at
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<CODE>/usr/local/lib/xanim/mods, /usr/lib/xanim/mods and /usr/lib/xanim</CODE>.
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Alternatively you can set the environment variable <I>XANIM_MOD_DIR</I> to
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the directory of the XAnim codecs.</LI>
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<LI>Rename/symlink the files, cutting out the architecture stuff, so they will
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have filenames like these: <CODE>vid_cvid.xa, vid_h263.xa, vid_iv50.xa</CODE>.</LI>
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2001-10-23 09:43:56 +00:00
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</UL>
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2002-04-08 16:40:52 +00:00
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<P>XAnim is video codec family number 10, so you may want to use the <CODE>-vfm 10</CODE>
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2002-08-10 20:26:43 +00:00
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option to tell <B>MPlayer</B> to use them if possible.</P>
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2001-10-23 09:43:56 +00:00
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2002-08-11 18:27:38 +00:00
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<P>Tested codecs include: <B>Indeo 3.2</B>, <B>4.1</B>, <B>5.0</B>, <B>CVID</B>,
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<B>3ivX</B>, <B>h263</B>.</P>
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2001-10-23 09:43:56 +00:00
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2001-10-24 16:01:16 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="vivo_video">2.2.1.4 VIVO video</A></B></P>
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2001-11-06 17:04:56 +00:00
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2001-11-12 17:30:49 +00:00
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<P><B>MPlayer</B> can play Vivo (1.0 and 2.0) videos. The most suitable codec
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2002-08-10 20:26:43 +00:00
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for 1.0 files is FFmpeg's H263 decoder, you can use it with the <CODE>-vc
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ffh263</CODE> option (default) (requires up-to-date libavcodec). For 2.0
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files, use the <CODE>ivvideo.dll</CODE> Win32 DLL file (from
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<A HREF="http://www.mplayerhq.hu/MPlayer/samples/drivers32/ivvideo.dll">here</A>),
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and install it under <CODE>/usr/lib/win32</CODE> or wherever you store the
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Win32 codecs. This latter codec does not support YV12 nor YUY2 only BGR
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modes, restricting it to the X11 and OpenGL outputs. Hopefully ffh263 will
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support VIVO 2.0 files in the future.</P>
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2001-11-12 17:30:49 +00:00
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2001-11-06 17:04:56 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="mpeg">2.2.1.5 MPEG 1/2 video</A></B></P>
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2001-11-06 17:04:56 +00:00
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2002-08-10 20:26:43 +00:00
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<P>MPEG1 and MPEG2 are decoded by the multiplatform native <B>libmpeg2</B>
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library, whose source code is included in <B>MPlayer</B>. We handle buggy
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MPEG 1/2 video files by catching sig11 (segmentation fault), and quickly
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reinitializing the codec, continuing exactly from where the failure occurred.
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This recovery technique has no measurable speed penalty.</P>
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2001-11-06 17:04:56 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="ms_video1">2.2.1.6 MS Video1</A></B></P>
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2001-11-12 17:30:49 +00:00
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2002-04-08 16:40:52 +00:00
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<P>This is a very old and very bad codec from Microsoft. In the past it was
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2002-08-10 20:26:43 +00:00
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decoded with the <CODE>msvidc32.dll</CODE> Win32 codec, now we have our own
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open source implementation (by <A HREF="mailto:melanson@pcisys.net">Mike
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Melanson</A>).</P>
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2001-11-12 17:30:49 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="cinepak">2.2.1.7 Cinepak CVID</A></B></P>
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2001-11-27 18:09:45 +00:00
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2002-04-08 16:40:52 +00:00
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<P><B>MPlayer</B> uses its own open source, multiplatform Cinepak decoder by
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2002-08-10 20:26:43 +00:00
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default. It supports YUV outputs, so that hardware scaling is possible if the
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video output driver permits it.</P>
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2001-11-27 18:09:45 +00:00
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2002-08-04 22:13:09 +00:00
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<P><B><A NAME="realvideo">2.2.1.8 RealVideo</A></B></P>
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2001-12-27 22:12:35 +00:00
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2002-06-13 00:31:16 +00:00
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<B>MPlayer</B> supports decoding all versions of RealVideo:
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2002-08-11 18:27:38 +00:00
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2002-06-13 00:31:16 +00:00
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<UL>
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<LI>RealVideo 1.0 (fourcc RV10) - en/decoding supported by <B>libavcodec</B></LI>
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<LI>RealVideo 2.0 (fourcc RV20) - decoding supported by <B>RealPlayer libraries</B></LI>
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<LI>RealVideo 3.0 (fourcc RV30) - decoding supported by <B>RealPlayer libraries</B></LI>
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</UL>
|
2002-06-09 15:21:57 +00:00
|
|
|
|
2002-07-24 01:56:08 +00:00
|
|
|
<P>It is recommended to download and install RealPlayer8 or RealONE, because
|
|
|
|
|
<B>MPlayer</B> can use their libraries to decode files with RealVideo 2.0 or
|
2002-08-10 20:26:43 +00:00
|
|
|
RealVideo 3.0 video. The <B>MPlayer</B> configure script should detect the
|
|
|
|
|
RealPlayer libraries in the standard locations of a full installation. If it
|
|
|
|
|
does not, tell configure where to look with the
|
|
|
|
|
<CODE>--with-reallibdir</CODE> switch.</P>
|
2002-07-24 01:56:08 +00:00
|
|
|
|
|
|
|
|
<P><B>Note:</B> RealPlayer libraries currently <B>only work with Linux, FreeBSD,
|
2002-08-14 12:24:01 +00:00
|
|
|
NetBSD and Cygwin on the x86 platform.</B></P>
|
2002-07-24 01:56:08 +00:00
|
|
|
|
|
|
|
|
<P><B>Note2:</B> We cannot distribute the RealPlayer libraries, the license does
|
|
|
|
|
not allow this. You have to get them yourself.</P>
|
2001-12-27 22:12:35 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="xvid">2.2.1.9 XViD</A></B></P>
|
2002-03-10 09:25:18 +00:00
|
|
|
|
2002-06-29 05:32:35 +00:00
|
|
|
<P><B>XViD</B> is a forked development of the OpenDivX codec. It happened when
|
|
|
|
|
ProjectMayo changed OpenDivX to closed-source DivX4, and the non-ProjectMayo
|
|
|
|
|
people working on OpenDivX got angry, then started XViD. So both projects
|
|
|
|
|
have the same origin.</P>
|
2002-03-10 09:25:18 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P><B>Advantages:</B></P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
|
|
|
|
<UL>
|
|
|
|
|
<LI>open source</LI>
|
|
|
|
|
<LI>its API is compatible with DivX4 so adding support for
|
|
|
|
|
it is easy</LI>
|
|
|
|
|
<LI>2-pass encoding support</LI>
|
|
|
|
|
<LI>nice encoding quality, higher speed than DivX4 (you can optimize it for
|
|
|
|
|
your box while compiling)</LI>
|
|
|
|
|
</UL>
|
2002-03-10 09:25:18 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P><B>Disadvantages:</B></P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
|
|
|
|
<UL>
|
|
|
|
|
<LI>currently it does not properly <B>decode</B> all DivX/DivX4 files (no problem as libavcodec can play them)</LI>
|
|
|
|
|
<LI>you have to choose between DivX4 <B>OR</B> XViD support at
|
|
|
|
|
compiletime</LI>
|
|
|
|
|
<LI>under development</LI>
|
|
|
|
|
</UL>
|
2002-03-10 09:25:18 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P><B>Installation:</B> It is currently available only from CVS. Here are the
|
|
|
|
|
download and installation instructions:</P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
|
|
|
|
<OL>
|
|
|
|
|
<LI><CODE>cvs -z3 -d:pserver:anonymous@cvs.xvid.org:/xvid login</CODE></LI>
|
|
|
|
|
<LI><CODE>cvs -z3 -d:pserver:anonymous@cvs.xvid.org:/xvid co xvidcore</CODE></LI>
|
|
|
|
|
<LI><CODE>cd xvidcore/build/generic</CODE></LI>
|
|
|
|
|
<LI>Edit <CODE>Makefile.linux</CODE> to fit your needs.</LI>
|
|
|
|
|
<LI><CODE>make -f Makefile.linux</CODE></LI>
|
|
|
|
|
<LI>Get <CODE>encore2.h</CODE> and <CODE>decore.h</CODE> from the DivX4Linux
|
|
|
|
|
package, and copy them to <CODE>/usr/local/include/</CODE>.</LI>
|
|
|
|
|
<LI>Recompile <B>MPlayer</B> with <CODE>--with-xvidcore=/path/to/libcore.a</CODE>.</LI>
|
|
|
|
|
</OL>
|
2002-03-10 09:25:18 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="sorenson">2.2.1.10 Sorenson</A></B></P>
|
2002-06-28 06:07:46 +00:00
|
|
|
|
|
|
|
|
<P><B>Sorenson</B> is a video codec developed by Apple. We are currently
|
2002-07-24 01:56:08 +00:00
|
|
|
able to decode the first version (SVQ1) with a native decoder.</P>
|
2002-06-28 06:07:46 +00:00
|
|
|
|
|
|
|
|
<P><B>Advantages:</B></P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
|
|
|
|
<UL>
|
|
|
|
|
<LI>Fast, even old Macintosh machines were able to decode it.</LI>
|
|
|
|
|
</UL>
|
2002-06-28 06:07:46 +00:00
|
|
|
|
|
|
|
|
<P><B>Disadvantages:</B></P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
|
|
|
|
<UL>
|
|
|
|
|
<LI>SVQ3 is still not reverse engineered.</LI>
|
|
|
|
|
</UL>
|
2002-06-28 06:07:46 +00:00
|
|
|
|
|
|
|
|
<P><B>Installation:</B> it's compiled and usable per default.</P>
|
|
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="audio_codecs">2.2.2 Audio codecs</A></B></P>
|
2001-11-06 17:04:56 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P>The most important audio codecs above all:<BR></P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
2001-11-06 17:04:56 +00:00
|
|
|
<UL>
|
2002-08-10 20:26:43 +00:00
|
|
|
<LI>MPEG layer 2, and layer 3 (MP3) audio (<B>native</B> code, with
|
|
|
|
|
MMX/SSE/3DNow! optimization)</LI>
|
|
|
|
|
<LI>MPEG layer 1 audio (<B>native</B> code, with libavcodec)</LI>
|
|
|
|
|
<LI>AC3 Dolby audio (<B>native</B> code, with MMX/SSE/3DNow!
|
|
|
|
|
optimization)</LI>
|
|
|
|
|
<LI>Ogg Vorbis audio codec (<B>native</B> library)</LI>
|
|
|
|
|
<LI>Voxware audio (using DirectShow DLL)</LI>
|
|
|
|
|
<LI>alaw, msgsm, pcm and other simple old audio formats</LI>
|
|
|
|
|
<LI>VIVO audio (g723, Vivo Siren)</LI>
|
|
|
|
|
<LI>RealAudio: DNET (low bitrate AC3), Cook</LI>
|
2002-04-08 16:40:52 +00:00
|
|
|
</UL>
|
2001-11-06 17:04:56 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="software_ac3">2.2.2.1 Software AC3 decoding</A></B></P>
|
2001-12-01 11:30:22 +00:00
|
|
|
|
|
|
|
|
<P>This is the default decoder used for files with AC3 audio.</P>
|
|
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<P>The AC3 decoder can create audio output mixes for 2, 4, or 6 speakers. When
|
|
|
|
|
configured for 6 speakers, this decoder provides separate output of all the
|
|
|
|
|
AC3 channels to the sound driver, allowing for full "surround sound"
|
|
|
|
|
experience without the external AC3 decoder required to use the hwac3
|
|
|
|
|
codec.</P>
|
2001-12-01 11:30:22 +00:00
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<P>Use the <CODE>-channels</CODE> option to select the number of output
|
|
|
|
|
channels. Use <CODE>-channels 2</CODE> for a stereo downmix. For a 4
|
|
|
|
|
channel downmix (Left Front, Right Front, Left Surround and Right Surround
|
|
|
|
|
outputs), use <CODE>-channels 4</CODE>. In this case, any center channel will
|
|
|
|
|
be mixed equally to the front channels. <CODE>-channels 6</CODE> will output
|
|
|
|
|
all the AC3 channels as they are encoded - in the order Left, Right, Left
|
|
|
|
|
Surround, Right Surround, Center and LFE.</P>
|
2001-12-01 11:30:22 +00:00
|
|
|
|
|
|
|
|
<P>The default number of output channels is 2.</P>
|
|
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<P>To use more than 2 output channels, you will need to use OSS, and have a
|
|
|
|
|
sound card that supports the appropriate number of output channels via the
|
|
|
|
|
SNDCTL_DSP_CHANNELS ioctl. An example of a suitable driver is emu10k1 (used
|
|
|
|
|
by Soundblaster Live! cards) from August 2001 or newer (ALSA CVS is also
|
|
|
|
|
supposed to work).</P>
|
2001-12-01 11:30:22 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="hardware_ac3">2.2.2.2 Hardware AC3 decoding</A></B></P>
|
2001-11-06 17:04:56 +00:00
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<P>You need an AC3 capable sound card, with digital out (SP/DIF). The card's
|
|
|
|
|
driver must properly support the AFMT_AC3 format (C-Media does). Connect
|
|
|
|
|
your AC3 decoder to the SP/DIF output, and use the <CODE>-ac hwac3</CODE>
|
|
|
|
|
option. It is experimental but known to work with C-Media cards and
|
2002-08-14 12:24:01 +00:00
|
|
|
Soundblaster Live! using ALSA (but not OSS) drivers.</P>
|
2001-11-06 17:04:56 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="libmad">2.2.2.3 libmad support</A></B></P>
|
2001-10-24 16:01:16 +00:00
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<P><A HREF="http://mad.sourceforge.net">libmad</A> is a multiplatform MPEG
|
|
|
|
|
audio decoding library. It does not handle broken files well, and it
|
|
|
|
|
sometimes has problems with seeking.</P>
|
2002-03-15 22:29:22 +00:00
|
|
|
|
2001-10-24 16:01:16 +00:00
|
|
|
<P>To enable support, compile with the <CODE>--enable-mad</CODE> configure
|
2002-08-10 20:26:43 +00:00
|
|
|
option.</P>
|
2001-10-24 16:01:16 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="vivo_audio">2.2.2.4 VIVO audio</A></B></P>
|
2001-11-12 17:30:49 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P>The audio codec used in VIVO files depends on whether it is a VIVO/1.0 or
|
2002-08-10 20:26:43 +00:00
|
|
|
VIVO/2.0 file. VIVO/1.0 files have <B>g.723</B> audio, and VIVO/2.0 files
|
|
|
|
|
have <B>Vivo Siren</B> audio. Both are supported. You can grab the
|
|
|
|
|
g.723/Siren Win32 DLL from
|
|
|
|
|
<A HREF="http://www.mplayerhq.hu/MPlayer/samples/drivers32/vivog723.acm">here</A>,
|
|
|
|
|
then copy it into the <CODE>/usr/lib/win32</CODE> directory.</P>
|
2001-11-12 17:30:49 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="realaudio">2.2.2.5 RealAudio</A></B></P>
|
2001-12-27 22:12:35 +00:00
|
|
|
|
2002-08-10 20:26:43 +00:00
|
|
|
<B>MPlayer</B> supports decoding nearly all versions of RealAudio:
|
2002-08-11 18:27:38 +00:00
|
|
|
|
2002-06-13 00:31:16 +00:00
|
|
|
<UL>
|
2002-06-29 05:25:41 +00:00
|
|
|
<LI>RealAudio DNET - decoding supported by <B>liba52</B></LI>
|
2002-06-13 00:31:16 +00:00
|
|
|
<LI>RealAudio Cook - decoding supported by <B>RealPlayer libraries</B></LI>
|
2002-08-10 20:26:43 +00:00
|
|
|
<LI>RealAudio Sipro - not yet supported</LI>
|
2002-06-13 00:31:16 +00:00
|
|
|
</UL>
|
|
|
|
|
|
2002-06-12 09:14:08 +00:00
|
|
|
<P>On how to install RealPlayer libraries, see the
|
2002-08-04 22:13:09 +00:00
|
|
|
<A HREF="formats.html#real">RealMedia file format</A> section.</P>
|
2002-06-09 15:21:57 +00:00
|
|
|
|
2001-12-27 22:12:35 +00:00
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="importing">2.2.3 Win32 codec importing HOWTO</A></B></P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2002-08-11 18:27:38 +00:00
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="importing_vfw">2.2.3.1 VFW codecs</A></B></P>
|
2001-08-22 16:57:49 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P>VFW (Video for Windows) is the old Video API for Windows. Its codecs have
|
2002-08-11 18:27:38 +00:00
|
|
|
the .DLL or (rarely) .DRV extension.
|
|
|
|
|
If <B>MPlayer</B> fails at playing your AVI with this kind of message:</P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<P> <CODE>UNKNOWN video codec: HFYU (0x55594648)</CODE></P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<P>It means your AVI is encoded with a codec which has the HFYU fourcc (HFYU =
|
2002-08-11 18:27:38 +00:00
|
|
|
HuffYUV codec, DIV3 = DivX Low Motion, etc...). Now that you know this, you
|
|
|
|
|
have to find out which DLL Windows loads in order to play this file. In our
|
|
|
|
|
case, the <CODE>system.ini</CODE> contains this information in a line that
|
|
|
|
|
reads:</P>
|
2001-08-23 17:08:46 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<P> <CODE>VIDC.HFYU=huffyuv.dll</CODE></P>
|
2001-08-23 17:08:46 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P>So you need the <CODE>huffyuv.dll</CODE> file. Note that the audio codecs are
|
2002-08-11 18:27:38 +00:00
|
|
|
specified by the MSACM prefix:</P>
|
2001-08-23 17:08:46 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<P> <CODE>msacm.l3acm=L3codeca.acm</CODE></P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
|
|
|
|
|
2002-08-11 18:27:38 +00:00
|
|
|
<P>This is the MP3 codec. Now that you have all the necessary information
|
|
|
|
|
(fourcc, codec file, sample AVI), submit your codec support request by mail,
|
|
|
|
|
and upload these files to the FTP site:</P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2001-09-08 05:07:21 +00:00
|
|
|
<P> <CODE>ftp://ftp.mplayerhq.hu/MPlayer/incoming/[codecname]/</CODE></P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
|
|
|
|
|
2002-08-04 22:13:09 +00:00
|
|
|
<P><B><A NAME="importing_directshow">2.2.3.2 DirectShow codecs</A></B></P>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<P>DirectShow is the newer Video API, which is even worse than its predecessor.
|
2002-08-11 18:27:38 +00:00
|
|
|
Things are harder with DirectShow, since</P>
|
|
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<UL>
|
2002-08-11 18:27:38 +00:00
|
|
|
<LI><CODE>system.ini</CODE> does not contain the needed information, instead it
|
|
|
|
|
is stored in the registry and
|
|
|
|
|
<LI>we need the GUID of the codec.
|
2002-04-08 16:40:52 +00:00
|
|
|
</UL>
|
2001-08-21 21:01:54 +00:00
|
|
|
|
2002-04-08 16:40:52 +00:00
|
|
|
<P>Take a deep breath and start searching the registry...</P>
|
2002-08-11 18:27:38 +00:00
|
|
|
|
2001-08-24 18:48:13 +00:00
|
|
|
<UL>
|
2002-08-11 18:27:38 +00:00
|
|
|
<LI>Start <CODE>regedit</CODE>.
|
|
|
|
|
<LI>Press <CODE>Ctrl-f</CODE>, disable the first two checkboxes, and enable
|
|
|
|
|
the third. Type in the fourcc of the codec (e.g. TM20).
|
|
|
|
|
<LI>You should see a field which contains the path and the filename
|
|
|
|
|
(e.g. <CODE>C:\WINDOWS\SYSTEM\TM20DEC.AX</CODE>).
|
|
|
|
|
<LI>Now that you have the file, we need the GUID. Try searching again, but
|
|
|
|
|
now search for the codec's name, not the fourcc. Its name can be acquired
|
|
|
|
|
when Media Player is playing the file, by checking File -> Properties
|
|
|
|
|
-> Advanced.
|
|
|
|
|
If not, you are out of luck. Try guessing (e.g. search for TrueMotion).
|
|
|
|
|
<LI>If the GUID is found you should see a FriendlyName and a CLSID
|
|
|
|
|
field. Write down the 16 byte CLSID, this is the GUID we need.
|
2002-04-08 16:40:52 +00:00
|
|
|
</UL>
|
|
|
|
|
|
2002-07-24 01:56:08 +00:00
|
|
|
<P><B>Note:</B> If searching fails, try enabling all the checkboxes. You may have
|
2002-08-11 18:27:38 +00:00
|
|
|
false hits, but you may get lucky...</P>
|
2002-04-08 16:40:52 +00:00
|
|
|
|
|
|
|
|
<P>Now that you have all the necessary information (fourcc, GUID, codec file,
|
2002-08-11 18:27:38 +00:00
|
|
|
sample AVI), submit your codec support request by mail, and upload these files
|
|
|
|
|
to the FTP site:</P>
|
2002-04-08 16:40:52 +00:00
|
|
|
|
|
|
|
|
<P> <CODE>ftp://ftp.mplayerhq.hu/MPlayer/incoming/[codecname]/</CODE></P>
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2001-08-21 21:01:54 +00:00
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</BODY>
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</HTML>
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