2001-08-21 21:01:54 +00:00
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<HTML>
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<BODY BGCOLOR=WHITE>
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<FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P><B><A NAME=2.1>2.1. Video Formats, Audio & Video Codecs</A></B></P>
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<P><B><A NAME=2.1.1>2.1.1. Supported input formats</A></B></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P><B>MPlayer</B> can read/play from the following devices/formats:<BR>
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<UL>
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<LI> VCD (Video CD) directly from CD-ROM or from CDRwin's .bin image file
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<LI> DVD, directly from your DVD disk, using libdvdread for decryption
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<LI> MPEG 1/2 System Stream (PS/PES/VOB) and Elementary Stream (ES) file
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formats
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<LI> RIFF AVI file format
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<LI> ASF/WMV 1.0 file format
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<LI> QT/MOV file format with (un)compressed headers
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<LI> VIVO format (.viv files)
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<LI> supports reading from file, stdin, or network via HTTP
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</UL></P>
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2001-10-10 16:24:51 +00:00
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<P>Note: about realmedia (.ra/.rm) support read the FAQ!</P>
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2001-08-24 18:48:13 +00:00
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<P><B><A NAME=2.1.2>2.1.2. Supported audio & video codecs</A></B></P>
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2001-08-28 16:10:50 +00:00
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<P>See <A HREF="http://www.mplayerhq.hu/DOCS/codecs-status.html">http://www.mplayerhq.hu/DOCS/codecs-status.html</A> for the complete,
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2001-09-08 05:07:21 +00:00
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daily generated list!!!</P>
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<P>The most important video codecs:<BR>
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<UL>
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<LI>MPEG1 (VCD) and MPEG2 (DVD) video</LI>
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<LI>DivX ;-), OpenDivX (DivX4), 3ivx and other MPEG4 variants</LI>
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<LI>Windows Media Video 7 (WMV1) and 8 (WMV2) used in .wmv files</LI>
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<LI>Intel Indeo codecs (3.1,3.2,4.1,5.0)</LI>
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<LI>MJPEG, ASV2 and other hardware formats</LI>
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<LI>XAnim codecs</LI>
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</UL></P>
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<P>The most important audio codecs:<BR>
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<UL>
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<LI>MPEG layer 2, and layer 3 (MP3) audio (native code, with MMX/SSE/3DNow! optimization)</LI>
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<LI>AC3 dolby audio (native code, with SSE/3DNow! optimization)</LI>
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<LI>Ogg Vorbis audio codec (native lib)</LI>
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<LI>Voxware audio (using directshow DLL)</LI>
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<LI>alaw, msgsm, pcm and other simple old audio formats</LI>
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</UL></P>
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2001-08-28 16:10:50 +00:00
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<P>If you have a codec not listed here, and not supported yet, just read <A
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HREF="#2.1.3">section 2.1.3</A> to get info about how to help us adding support
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for it!</P>
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2001-08-24 18:48:13 +00:00
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<P><B><A NAME=2.1.2.1>2.1.2.1. DivX4</A></B></P>
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<P>This section contains information about the DivX4 codec of
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<A HREF="http://www.projectmayo.com">ProjectMayo</A>. Their first available alpha version was the OpenDivX 4.0
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alpha 47 and 48. Support for this was/is included in <B>MPlayer</B>, and built by
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2001-10-17 16:36:39 +00:00
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default. We used to use its postprocessing code to optionally enhance visual
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quality of MPEG1/2 movies. Now we use our own.</P>
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2001-08-24 18:48:13 +00:00
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<P>The new generation of this codec can even decode movies made with the
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infamous DivX codec! And it's not everything, it's MUCH faster than the
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traditional Win32 DivX DLL's. See below for configuration. The only
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disadvantage of this codec is that it's currently closed-source. :(</P>
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<P>The codec can be downloaded from the following URL:</P>
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2001-08-28 16:10:50 +00:00
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<P> <A HREF="http://download2.projectmayo.com/dnload/divx4linux/divx4linux-20010718.zip">http://download2.projectmayo.com/dnload/divx4linux/divx4linux-20010718.zip</A></P>
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<P>Unpack it, and run <CODE>./install.sh</CODE> as root.</P>
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2001-09-08 05:07:21 +00:00
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<P>Note: do NOT forget to add /usr/local/lib to your /etc/ld.so.conf !</P>
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2001-08-24 18:48:13 +00:00
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<P><B>MPlayer</B> autodetects if DivX4 is (properly) installed, just compile
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as usual. If it doesn't detect it, you didn't install it exactly as above,
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and/or has fucked up config (see last question of 5.1 section).</P>
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<P>Using it is a bit tricky. As it conflicts with the old OpenDivX (it's API is
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very similar to OpenDivX's), OpenDivX code is disabled, and the OpenDivX
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driver calls this library too.</P>
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<P>Generally we can pinpoint this issue to that you have two options to use
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this codec:</P>
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<P><TABLE BORDER=0>
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<TD> </TD><TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-vc odivx</TD><TD> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>using divx4 codec as a new version of OpenDivX.
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in this case it produces YV12 image in its own buffer,
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and <B>MPlayer</B> (libvo) does colorspace conversion. (<B>RECOMMENDED!</B>)</TD><TR>
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<TD></TD><TD VALIGN=top><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>-vc divx4</TD><TD></TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>using divx4 codec's colorspace conversion.
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in this mode, you can use YUY2/UYVY too.</TD></TR>
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</TABLE></P>
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<P>The 'odivx' method is usually faster, due to the fact that it transfers
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image data in YV12 (planar YUV 4:2:0) format, thus requiring much less
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bandwidth on the bus. For packed YUV modes (YUY2, UYVY) use the 'divx4'
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method. For RGB modes you can choose freely, their speed is same, maybe
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differ according to the current bpp.</P>
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2001-10-17 16:36:39 +00:00
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<P>Note: it supports postprocessing too, but range of values is strange: (TODO UPDATE)</P>
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2001-08-24 18:48:13 +00:00
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<P><TABLE BORDER=0>
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<TD> </TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>0</TD><TD> </TD>
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<TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>no postproc</TD><TR>
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<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>10 .. 20</TD>
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<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>postprocessing, normal (like level 2 with divxds)</TD><TR>
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<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>30 .. 60</TD>
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<TD></TD><TD><FONT face="Verdana, Arial, Helvetica, sans-serif" size=2>hard prostprocessing, eats many CPU (like level 4 with divxds</TD><TR>
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</TABLE></P>
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<P><B><A NAME=2.1.2.2>2.1.2.2. ffmpeg's DivX/libavcodec</A></B></P>
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<P>Beginning with version 0.4.2 , <A HREF="http://ffmpeg.sourceforge.net">ffmpeg</A> contains an <B>opensource</B> DivX codec,
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which is compatible with the traditional DivX. <B>MPlayer</B> supports this codec,
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2001-10-19 14:14:55 +00:00
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and this makes it possible to <B>watch DivX/DivX4 movies on non-x86 platforms</B>,
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and gain much faster <B>DivX/DivX4</B> decoding speed than the Win32 codecs and
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the original DivX4 library has!<BR>
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It was removed from <B>MPlayer</B>'s cvs tree, you have to download it
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manually directly from <B>FFmpeg</B>'s tree:</P>
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<P><CODE>
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cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg login<BR>
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cvs -d:pserver:anonymous@cvs.ffmpeg.sourceforge.net:/cvsroot/ffmpeg co ffmpeg
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</CODE></P>
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2001-08-24 18:48:13 +00:00
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<P>Note: <I>if you copy with CVS subdirs, next time it's enough to do
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'cvs update'.</I></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>Now, move the newly downloaded ffmpeg source's <B>libavcodec</B> directory,
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(with all it's subdirectories) to <B>MPlayer</B>'s tree, so it will look
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like this:</P>
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<P> <CODE>main/libavcodec</CODE></P>
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2001-09-08 05:07:21 +00:00
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<P>Symlinking is NOT enough, you have to copy/move it!!!</P>
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2001-08-21 21:01:54 +00:00
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2001-10-17 16:36:39 +00:00
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<P>./configure detects if it can be built. The codec also <B>supports
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postprocessing!</B></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>In order to use it, refresh your codecs.conf file, and do as the manpage,
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or the example.conf says (the -vfm option).</P>
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2001-08-21 21:01:54 +00:00
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2001-10-19 14:14:55 +00:00
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<P>To achieve the <B>greatest speed</B> on my K6, I remove the
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<CODE>ffmpeg12</CODE> section from codecs.conf (this codec isn't optimized, and
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libmpeg2 is twice as fast), and place <CODE>vfm=5</CODE> in my config file.
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Then <B>MPlayer</B> always uses <B>ffdivx/ffodivx</B> to decode
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<B>DivX/DivX4</B> files, and libmpeg2 for MPEG1/2 . With this and my Matrox G400, I can view even the
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highest resolution DivX/DivX4 movies on my K6/2 500, without framedrop.</P>
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2001-08-21 21:01:54 +00:00
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2001-08-30 20:52:02 +00:00
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<P><B><A NAME=2.1.2.3>2.1.2.3. Hardware AC3 decoding</A></B></P>
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2001-08-25 14:17:40 +00:00
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<P>You'll need an AC3 capable soundcard, with digital out (SP/DIF). The
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card's driver must support the AFMT_AC3 format (like SB Live! does).
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Connect your AC3 decoder to the SP/DIF output, and use the '-ac hwac3'
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option. It may or may not work (experimental). (probably won't...)</P>
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2001-08-25 14:17:40 +00:00
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2001-10-23 09:43:56 +00:00
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<P><B><A NAME=2.1.2.4>2.1.2.4. XAnim codecs</A></B></P>
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<P>Foreword: using (some) XAnim codecs with other program than XAnim, is
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<B><I>ILLEGAL</I></B>. It is <B>YOUR</B> responsibility to read its license,
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and do accordingly. The authors of <B>MPlayer</B> can't be held responsible for
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any unlawful act of the user.</P>
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<P>So yes, <B>MPlayer</B> can use XAnim's codecs for decoding. It's very
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easy to enable them:</P>
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<P>
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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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isn't there, so download it from the <A HREF="http://www.3ivx.com">3ivx site</A>.</LI>
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2001-11-03 23:57:20 +00:00
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<LI>use the <CODE>--with-xanimlibdir</CODE> option to tell configure where
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it can find the xanim codecs. By default, it checks them at <CODE>/usr/lib/xanim/mods</CODE> .</LI>
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2001-10-23 09:43:56 +00:00
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</UL>
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</P>
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<P>They are video codec family number 10, so you may want to use <CODE>-vfm 10</CODE>
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option to tell <B>MPlayer</B> to use them if possible.</P>
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<P>Tested codecs are: <B>Indeo 3.2</B>, <B>4.1</B>, <B>5.0</B>, <B>CVID</B>, <B>3ivX</B>, <B>h263</B>.</P>
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2001-10-24 16:01:16 +00:00
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<P><B><A NAME=2.1.2.5>2.1.2.5. libmad support</A></B></P>
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<P><A HREF="http://mad.sourceforge.net">libmad</A> is a multiplatform MPEG audio
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decoding library. If you don't know why is it good, you probably don't need it.</P>
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<P>To enable support, compile with the <CODE>--enable-mad</CODE> configure
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option.</P>
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2001-10-30 17:06:17 +00:00
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<P><B><A NAME=2.1.3>2.1.3. Codec importing howto</A></B></P>
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2001-08-21 21:01:54 +00:00
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2001-10-30 17:06:17 +00:00
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<P><B><A NAME=2.1.3.1>2.1.3.1. VFW codecs</A></B></P>
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2001-08-22 16:57:49 +00:00
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2001-08-24 18:48:13 +00:00
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<P>VfW (Video for Windows) is the old Video API for Windows. Its codecs have
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the .DLL or (rarely) .DRV extension.
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If <B>MPlayer</B> fails with your AVI:</P>
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2001-08-24 18:48:13 +00:00
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<P> <CODE>UNKNOWN video codec: HFYU (0x55594648)</CODE></P>
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2001-08-24 18:48:13 +00:00
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<P>It means your AVI is encoded with a codec which has the HFYU fourcc (HFYU =
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HuffYUV codec, DIV3 = DivX Low Motion, etc...). Now that we know this, we'll
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have to find out which DLL Windows loads in order to play this file. In our
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case, the system.ini contains this (with many others):</P>
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2001-08-23 17:08:46 +00:00
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2001-08-24 18:48:13 +00:00
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<P> <CODE>VIDC.HFYU=huffyuv.dll</CODE></P>
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2001-08-23 17:08:46 +00:00
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2001-08-24 18:48:13 +00:00
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<P>So we'll need the huffyuv.dll file. Note that the audio codecs are specified
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with the MSACM prefix:</P>
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2001-08-23 17:08:46 +00:00
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2001-08-24 18:48:13 +00:00
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<P> <CODE>msacm.l3acm=L3codeca.acm</CODE></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>This is the MP3 codec.
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So, now we have all the info needed (fourcc, codec file, sample AVI), submit
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your codec support request in mail, and upload these files to the FTP:</P>
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2001-08-21 21:01:54 +00:00
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2001-09-08 05:07:21 +00:00
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<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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2001-10-30 17:06:17 +00:00
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<P><B><A NAME=2.1.3.2>2.1.3.2. DirectShow codecs</A></B></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>DirectShow is the newer Video API, which is even worse than its predecessor.
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Things are harder with DirectShow, since
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<UL>
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<LI>system.ini doesn't contain the needed information, instead it's stored in
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the registry :(
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<LI>we'll need the GUID of the codec.
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</UL></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>So let's search that goddamn registry..
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<UL>
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<LI>Start 'regedit'
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<LI>press ctrl-f, disable the first two checkbox, and enable the third. Type
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the fourcc of the codec. (for ex.: TM20)
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<LI>you should see a field which contains the path and filename
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(for ex. : C:\WINDOWS\SYSTEM\TM20DEC.AX)
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<LI>now that we have the file, we'll need the GUID. Try searching again, but
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now we'll search for the codec's name, not the fourcc. Its name can be acquired
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when Media Player is playing that file, by checking File/Properties/Advanced.
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If not, bad luck ;) Try guessing.
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(for ex. search for : TrueMotion)
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<LI>if found (in registry), there should be a FriendlyName field, and a CLSID
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field. Write down that 16 byte of CLSID, this is the GUID required by us.
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</UL></P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>NOTE: if searching fails, try to enable all the checkboxes.. you may have
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false hits, but maybe you'll have the right, too...</P>
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<P>NOTE: dump that M$ shit.</P>
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2001-08-21 21:01:54 +00:00
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2001-08-24 18:48:13 +00:00
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<P>So, now we have all the info needed (fourcc, GUID, codec file, sample AVI),
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submit your codec support request in mail, and upload these files to the FTP:<BR>
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2001-09-08 05:07:21 +00:00
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ftp://ftp.mplayerhq.hu/MPlayer/incoming/[codecname]/</P>
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2001-08-21 21:01:54 +00:00
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