2002-06-12 23:53:28 +00:00
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2001-11-13 16:19:48 +00:00
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2002-03-07 17:55:34 +00:00
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2002-08-04 00:07:55 +00:00
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<TITLE>Flame Wars - MPlayer - The Movie Player for Linux</TITLE>
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2002-06-12 09:14:08 +00:00
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2002-06-12 23:53:28 +00:00
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2002-03-07 17:55:34 +00:00
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2002-06-12 23:53:28 +00:00
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<BODY>
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2001-11-13 16:19:48 +00:00
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2002-05-08 18:00:26 +00:00
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<P><B>In medias res</B></P>
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<P>There are two major topics which always cause huge dispute and flame on the
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2002-08-11 18:27:38 +00:00
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<A HREF="http://mplayerhq.hu/pipermail/mplayer-users/">mplayer-users</A>
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mailing list. Number one is the topic of the</P>
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2002-05-08 18:00:26 +00:00
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2002-08-11 18:27:38 +00:00
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<P><A NAME="gcc"><B>GCC 2.96 series</B></A></P>
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2002-05-08 18:00:26 +00:00
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<P><B>The background:</B> The GCC <B>2.95</B> series is an official GNU release
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2002-08-11 18:27:38 +00:00
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and version 2.95.3 of GCC is the most bug-free in that series.
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We have never noticed compilation problems that we could trace to gcc-2.95.3.
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Starting with Red Hat Linux 7.0, <B>Red Hat</B> included a heavily
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patched CVS version of GCC in their distribution and named it <B>2.96</B>. Red
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Hat included this version in the distribution because GCC 3.0 was not finished
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at the time, and they needed a compiler that worked well on all of their
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supported platforms, including IA64 and s390. The Linux distributor
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<B>Mandrake</B> also followed Red Hat's example and started shipping GCC 2.96
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with their Linux-Mandrake 8.0 series.</P>
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<P><B>The statements:</B> The GCC team disclaimed any link with GCC 2.96 and
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issued an <A HREF="http://gcc.gnu.org/gcc-2.96.html">official response</A> to
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GCC 2.96. Many developers around the world began having problems with GCC 2.96,
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and started recommending other compilers. Examples are
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<A HREF="http://www.apachelabs.org/apr-mbox/200106.mbox/%3c20010623194228.C25512@ebuilt.com%3e">Apache</A>,
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<A HREF="http://www.mysql.com/downloads/mysql-3.23.html">MySQL</A>,
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<A HREF="http://avifile.sourceforge.net/news-old1.htm">avifile</A> and
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2002-08-11 22:27:08 +00:00
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<A HREF="http://www.winehq.com/news/?view=92#RH%207.1%20gcc%20fixes%20compiler%20bug">Wine</A>.
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2002-08-11 18:27:38 +00:00
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Other interesting links are
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<A HREF="http://www.realtimelinux.org/archives/rtai/20017/0144.html">Real time Linux</A>,
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<A HREF="http://www.atnf.csiro.au/people/rgooch/linux/docs/kernel-newsflash.html">
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Linux kernel news flash about kernel 2.4.17</A> and
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<A HREF="http://www.voy.com/3516/572.html">Voy Forum</A>.
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<B>MPlayer</B> also suffered from intermittent problems that were all solved by
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switching to a different version of GCC. Several projects started implementing
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workarounds for some of the 2.96 issues, but we refused to fix other people's
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bugs, especially since some workarounds may imply a performance penalty.</P>
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2002-05-08 18:00:26 +00:00
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<P>You can read about the other side of the story
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2002-08-11 18:27:38 +00:00
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<A HREF="http://www.bero.org/gcc296.html">here</A>.
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GCC 2.96 does not allow | (pipe) characters in assembler comments
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because it supports Intel as well as AT&T Syntax and the | character is a
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symbol in the Intel variant. The problem is that it <B>silently</B> ignores the
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whole assembler block. This is supposedly fixed now, GCC prints a warning instead
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of skipping the block.</P>
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2002-05-08 18:00:26 +00:00
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<P><B>The present:</B> Red Hat says that GCC 2.96-85 and above is fixed. The
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2002-08-11 18:27:38 +00:00
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situation has indeed improved, yet we still see problem reports on our
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mailing lists that disappear with a different compiler. In any case it does not
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matter any longer. Hopefully a maturing GCC 3.x will solve the issue for good.
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If you want to compile with 2.96 give the <CODE>--disable-gcc-checking</CODE>
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flag to configure. Remember that you are on your own and <B>do not report any
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bugs</B>. If you do, you will only get banned from our mailing list because
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we have had more than enough flame wars over GCC 2.96. Please let the matter rest.</P>
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2002-05-08 18:00:26 +00:00
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2002-05-12 01:41:24 +00:00
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<P>If you have problems with GCC 2.96, you can get 2.96-85 packages from the
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2002-08-11 18:27:38 +00:00
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Red Hat <A HREF="ftp://updates.redhat.com">ftp server</A>, or just go for the
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3.0.4 packages offered for version 7.2 and later. You can also get gcc-3.1
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packages (unofficial, but working fine)
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<A HREF="ftp://people.redhat.com/jakub/gcc3/3.1-1/">here</A> and you can
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install them along the gcc-2.96 you already have. MPlayer will detect it and
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use 3.1 instead of 2.96. If you do not want to or cannot use the binary
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packages, here is how you can compile GCC 3.1 from source:</P>
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2001-11-13 16:19:48 +00:00
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2002-02-03 13:39:35 +00:00
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<UL>
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2002-05-12 01:41:24 +00:00
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<LI>Go to the <A HREF="http://gcc.gnu.org/mirrors.html">GCC mirrors page</A>
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2002-06-27 16:17:54 +00:00
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page and download <CODE>gcc-core-3.1.tar.gz</CODE>. This includes the
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2002-05-12 01:41:24 +00:00
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complete C compiler and is sufficient for <B>MPlayer</B>. If you also want
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C++, Java or some of the other advanced GCC features
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2002-06-27 16:17:54 +00:00
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<CODE>gcc-3.1.tar.gz</CODE> may better suit your needs.</LI>
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2002-05-12 01:41:24 +00:00
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<LI>Extract the archive with<BR>
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2002-06-27 16:17:54 +00:00
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<CODE>tar -xvzf gcc-core-3.1.tar.gz</CODE></LI>
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2002-05-12 01:41:24 +00:00
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<LI>GCC is not built inside the source directory itself like most programs,
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but needs a build directory outside the source directory. Thus you need to
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create this directory via<BR>
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<CODE>mkdir gcc-build</CODE></LI>
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<LI>Then you can proceed to configure gcc in the build directory, but you need
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the configure from the source directory:<BR>
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<CODE>cd gcc-build<BR>
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../gcc-3.1/configure</CODE></LI>
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2002-05-12 01:41:24 +00:00
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<LI>Compile GCC by issuing this command in the build directory:<BR>
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<CODE>make bootstrap</CODE></LI>
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<LI>Now you can install GCC (as root) by typing<BR>
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<CODE>make install</CODE></LI>
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2002-02-03 13:39:35 +00:00
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</UL>
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2002-01-01 23:57:53 +00:00
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2002-08-11 18:27:38 +00:00
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<P><A NAME="binary"><B>Binary distribution of MPlayer</B></A></P>
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2002-05-08 18:00:26 +00:00
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<P>This was the second big problem but has been solved as of version
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0.90-pre1. <B>MPlayer</B> previously contained source from the OpenDivX project,
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which disallows binary redistribution. This code has been removed and you are now
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welcome to create binary packages as you see fit.</P>
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2002-05-08 18:00:26 +00:00
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<P>Another impediment to binary redistribution was compiletime optimizations
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2002-08-11 18:27:38 +00:00
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for CPU architecture. <B>MPlayer</B> now supports runtime CPU detection
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(specify the <CODE>--enable-runtime-cpudetection</CODE> option when
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compiling). It is disabled by default because it implies a small speed
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sacrifice, it is now possible to create binaries that run on different
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members of the Intel CPU family.</P>
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2002-05-08 18:00:26 +00:00
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2002-08-11 18:27:38 +00:00
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<P><A NAME="nvidia"><B>nVidia</B></A></P>
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2002-05-08 18:00:26 +00:00
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<P>We dislike the fact that <A HREF="http://www.nvidia.com">nVidia</A>
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2002-08-11 18:27:38 +00:00
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only provides binary drivers (for use with XFree86), which are often buggy.
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We have had many reports on
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<A HREF="http://mplayerhq.hu/pipermail/mplayer-users/">mplayer-users</A>
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about problems related to these closed-source drivers
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and their poor quality, instability and poor user and expert support.
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Here is an example from the
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<A HREF="http://www.nvnews.net/forum/showthread.php?s=fda5725bc2151e29453b2da3bd5d2930&threadid=14306">
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nVidia Linux Forum</A>.
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Many of these problems/issues keep appearing repeatedly.
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We have been contacted by nVidia lately, and they said these bugs
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do not exist, instability is caused by bad AGP chips, and they received
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no reports of driver bugs (like the purple line). So if you have a
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problem with your nVidia card, you are advised to update the nVidia driver
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and/or buy a new motherboard or ask nVidia to supply open-source drivers.
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In any case, if you are using the nVidia binary drivers and facing driver related problems,
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please be aware that you will receive very little help from our side because we have
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little power to help in this matter.</P>
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2002-05-08 18:00:26 +00:00
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2002-08-04 22:13:09 +00:00
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<P><A NAME="barr"><B>Joe Barr</B></A></P>
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2002-05-08 18:00:26 +00:00
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<P>Joe Barr became infamous by writing a less than favorable
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2002-08-11 18:27:38 +00:00
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<A HREF="http://www.linuxworld.com/site-stories/2001/1214.mplayer.html">
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<B>MPlayer</B> review</A>. He found <B>MPlayer</B> hard to install, but then
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again he is not very fond of
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<A HREF="http://www.linuxworld.com/linuxworld/lw-2000-06/lw-06-exam.html">reading documentation</A>.
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He also concluded that the developers were unfriendly and the documentation
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incomplete and insulting. You be the judge.
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He went on to mention <B>MPlayer</B> negatively in his
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<A HREF="http://www.linuxworld.com/site-stories/2001/1227.predictions.html">10 Linux predictions for 2002</A>
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In a followup
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<A HREF="http://www.linuxworld.com/site-stories/2002/0125.xine.html">review of xine</A>
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he continued stirring up controversy. Ironically at the end of that article he
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quotes his exchange with G<>nter Bartsch, the original author of xine, that
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perfectly summarizes the whole situation:</P>
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2002-05-08 18:00:26 +00:00
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<BLOCKQUOTE>
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However, he also went on to say that he was "surprised" by my column about
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Mplayer and thought it was unfair, reminding me that it is a free software
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project. "If you don't like it," Bartsch said, "you're free not to use it."
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2002-05-08 18:00:26 +00:00
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</BLOCKQUOTE>
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2002-01-01 23:57:53 +00:00
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2002-05-08 18:00:26 +00:00
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<P>He does not reply to our mails. His editor does not reply to our mails.
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2002-08-11 18:27:38 +00:00
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Here are some quotes from different people about Joe Barr, so you can form your
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own opinion:</P>
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2002-01-01 23:57:53 +00:00
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2002-05-08 18:00:26 +00:00
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<P>Marc Rassbach has <A HREF="http://daily.daemonnews.org/view_story.php3?story_id=2102">something to say</A>
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about the man.</P>
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2002-01-01 23:57:53 +00:00
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2002-05-08 18:00:26 +00:00
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<BLOCKQUOTE>
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2002-08-11 18:27:38 +00:00
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You may all remember the LinuxWorld 2000, when he claimed that Linus T said
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that 'FreeBSD is just a handful of programmers'. Linus said NOTHING of the
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sort. When Joe was called on this, his reaction was to call BSD supporters
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assholes and jerks.
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2002-05-08 18:00:26 +00:00
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</BLOCKQUOTE>
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2002-01-01 23:57:53 +00:00
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2002-05-08 18:00:26 +00:00
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<P>A <A HREF="http://www.mplayerhq.hu/pipermail/mplayer-users/2001-December/009118.html">quote</A>
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2002-08-11 18:27:38 +00:00
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from Robert Munro on the
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<A HREF="http://mplayerhq.hu/pipermail/mplayer-users/">mplayer-users</A>
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mailing list:</P>
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2002-05-08 18:00:26 +00:00
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<BLOCKQUOTE>
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2002-08-11 18:27:38 +00:00
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<P>He's interesting, but not good at avoiding, um... controversy. Joe Barr
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used to be one of the regulars on Will Zachmann's Canopus forum on Compuserve,
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years ago. He was an OS/2 advocate then (I was an OS/2 fan too).</P>
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2002-05-08 18:00:26 +00:00
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2002-08-11 18:27:38 +00:00
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<P>He used to go over-the-top, flaming people, and I suspect he had some hard
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times, then. He's mellowed some, judging by his columns recently. Moderately
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subtle humor was not his mode in those earlier days, not at all.</P>
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2002-05-08 18:00:26 +00:00
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</BLOCKQUOTE>
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2002-01-01 23:57:53 +00:00
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2001-11-13 16:19:48 +00:00
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