anchor.diff:      #url = http://www.mplayerhq.hu/MPlayer/releases/mplayer-export-snapshot.tar.bz2;
       #sha256 = "cc1b3fda75b172f02c3f46581cfb2c17f4090997fe9314ad046e464a76b858bb";
   
  -    url = "svn://svn.mplayerhq.hu/mplayer/trunk";
  -    rev = "${mplayerRev}";
  -    sha256 = "5688add3256b5de8e0410194232aaaeb01531bb507459ffe4f07e69cb2d81bd7";
  +    url = "http://www.mplayerhq.hu/MPlayer/releases/MPlayer-1.1.tar.xz";
  +    sha256 = "173cmsfz7ckzy1hay9mpnc5as51127cfnxl20b521d2jvgm4gjvn";
     };
   
     prePatch = ''
       sed -i /^_install_strip/d configure
     '';
   
  -  buildInputs =
  -    [ freetype zlib pkgconfig ]
  -    ++ stdenv.lib.optionals x11Support [ libX11 libXext mesa ]
  -    ++ stdenv.lib.optional alsaSupport alsaLib
  -    ++ stdenv.lib.optional xvSupport libXv
  -    ++ stdenv.lib.optional theoraSupport libtheora
  -    ++ stdenv.lib.optional cacaSupport libcaca
  -    ++ stdenv.lib.optional xineramaSupport libXinerama
  -    ++ stdenv.lib.optional randrSupport libXrandr
  -    ++ stdenv.lib.optionals dvdnavSupport [ libdvdnav libdvdnav.libdvdread ]
  -    ++ stdenv.lib.optional cddaSupport cdparanoia
  -    ++ stdenv.lib.optional jackaudioSupport jackaudio
  -    ++ stdenv.lib.optionals amrSupport [ amrnb amrwb ]
  -    ++ stdenv.lib.optional x264Support x264
  -    ++ stdenv.lib.optional xvidSupport xvidcore
  -    ++ stdenv.lib.optional pulseSupport pulseaudio
  -    ++ stdenv.lib.optional screenSaverSupport libXScrnSaver
  -    ++ stdenv.lib.optional lameSupport lame
  -    ++ stdenv.lib.optional vdpauSupport libvdpau
  -    ++ stdenv.lib.optional speexSupport speex;
  +  buildInputs = with stdenv.lib;
  +    [ freetype pkgconfig ]
  +    ++ optionals x11Support [ libX11 libXext mesa ]
  +    ++ optional alsaSupport alsaLib
  +    ++ optional xvSupport libXv
  +    ++ optional theoraSupport libtheora
  +    ++ optional cacaSupport libcaca
  +    ++ optional xineramaSupport libXinerama
  +    ++ optional dvdnavSupport libdvdnav
  +    ++ optional bluraySupport libbluray
  +    ++ optional cddaSupport cdparanoia
  +    ++ optional jackaudioSupport jackaudio
  +    ++ optionals amrSupport [ amrnb amrwb ]
  +    ++ optional x264Support x264
  +    ++ optional pulseSupport pulseaudio
  +    ++ optional screenSaverSupport libXScrnSaver
  +    ++ optional lameSupport lame
  +    ++ optional vdpauSupport libvdpau
  +    ++ optional speexSupport speex;
   
     buildNativeInputs = [ yasm ];
  -
  -  preConfigure = ''
  -    cp -r ${ffmpegGit} ffmpeg
  -    chmod u+w -R ffmpeg
  -    sed -ie '1i#include "libavutil/intreadwrite.h"' ffmpeg/libavcodec/libmp3lame.c
  -  '';
   
     postConfigure = ''
       echo CONFIG_MPEGAUDIODSP=yes >> config.mak
     '';
   
  -  configureFlags = ''
  -    ${if cacaSupport then "--enable-caca" else "--disable-caca"}
  -    ${if dvdnavSupport then "--enable-dvdnav --enable-dvdread --disable-dvdread-internal" else ""}
  -    ${if x264Support then "--enable-x264 --extra-libs=-lx264" else ""}
  -    ${if codecs != null then "--codecsdir=${codecs}" else ""}
  -    ${if (stdenv.isi686 || stdenv.isx86_64) then "--enable-runtime-cpudetection" else ""}
  -    ${if x11Support then "--enable-x11" else ""}
  -    ${stdenv.lib.optionalString speexSupport "--enable-speex"}
  -    --disable-xanim
  -    --disable-ivtv
  -    --enable-vidix
  -    --enable-fbdev
  -    --disable-ossaudio
  -  '';
  +  configureFlags = with stdenv.lib;
  +    ''
  +      ${if x11Support then "--enable-x11 --enable-gl" else "--disable-x11 --disable-gl"}
  +      ${if xineramaSupport then "--enable-xinerama" else "--disable-xinerama"}
  +      ${if xvSupport then "--enable-xv" else "--disable-xv"}
  +      ${if alsaSupport then "--enable-alsa" else "--disable-alsa"}
  +      ${if screenSaverSupport then "--enable-xss" else "--disable-xss"}
  +      ${if vdpauSupport then "--enable-vdpau" else "--disable-vdpau"}
  +      ${if cddaSupport then "--enable-cdparanoia" else "--disable-cdparanoia"}
  +      ${if dvdnavSupport then "--enable-dvdnav" else "--disable-dvdnav"}
  +      ${if bluraySupport then "--enable-bluray" else "--disable-bluray"}
  +      ${if amrSupport then "--enable-libopencore_amrnb" else "--disable-libopencore_amrnb"}
  +      ${if cacaSupport then "--enable-caca" else "--disable-caca"}
  +      ${if lameSupport then "--enable-mp3lame --disable-mp3lame-lavc" else "--disable-mp3lame --enable-mp3lame-lavc"}
  +      ${if speexSupport then "--enable-speex" else "--disable-speex"}
  +      ${if theoraSupport then "--enable-theora" else "--disable-theora"}
  +      ${if x264Support then "--enable-x264 --disable-x264-lavc" else "--disable-x264 --enable-x264-lavc"}
  +      ${if jackaudioSupport then "--enable-jack" else "--disable-jack"}
  +      ${if pulseSupport then "--enable-pulse" else "--disable-pulse"}
   
  -  NIX_LDFLAGS = if x11Support then "-lX11 -lXext" else "";
  +      ${optionalString (codecs != null) "--codecsdir=${codecs}"}
  +      ${optionalString (stdenv.isi686 || stdenv.isx86_64) "--enable-runtime-cpudetection"}
  +      --enable-freetype
  +      --disable-xanim
  +      --disable-ivtv
  +      --disable-xvid --disable-xvid-lavc
  +      --enable-vidix
  +      --enable-fbdev
  +      --disable-ossaudio
  +    '';
  +
  +  NIX_LDFLAGS = stdenv.lib.optionalString x11Support "-lX11 -lXext";
   
     # Provide a reasonable standard font.  Maybe we should symlink here.
     postInstall =
  
positive.code:     };
    } else null;
  
    ffmpegGit = fetchgit {
      url = "git://git.videolan.org/ffmpeg.git";
      rev = "9e53f62be1a171eaf9620958c225d42cf5142a30";
      sha256 = "be0ef2a394c82a0eee0be66bc0b943d37efb90f74ce1030aa89606109434c943";
    };
  
    mplayerRev = "34586";
  
  in
  
  stdenv.mkDerivation rec {
    name = "mplayer-${mplayerRev}";
  
    src = fetchsvn {
      # Old kind of URL:
      # url = http://nixos.org/tarballs/mplayer-snapshot-20101227.tar.bz2;
      # Snapshot I took on 20110423
  
negative.code: { stdenv, fetchurl, freetype, pkgconfig, yasm, freefont_ttf
  , x11Support ? true, libX11 ? null, libXext ? null, mesa ? null
  , xineramaSupport ? true, libXinerama ? null
  , xvSupport ? true, libXv ? null
  , alsaSupport ? true, alsaLib ? null
  , screenSaverSupport ? true, libXScrnSaver ? null
  , vdpauSupport ? false, libvdpau ? null
  , cddaSupport ? true, cdparanoia ? null
  , dvdnavSupport ? true, libdvdnav ? null
  , bluraySupport ? true, libbluray ? null
  , amrSupport ? false, amrnb ? null, amrwb ? null
  , cacaSupport ? true, libcaca ? null
  , lameSupport ? true, lame ? null
  , speexSupport ? true, speex ? null
  , theoraSupport ? true, libtheora ? null
  , x264Support ? false, x264 ? null
  , jackaudioSupport ? false, jackaudio ? null
  , pulseSupport ? false, pulseaudio ? null
  }:
  
  assert x11Support -> (libX11 != null && libXext != null && mesa != null);
  assert xineramaSupport -> (libXinerama != null && x11Support);
  assert xvSupport -> (libXv != null && x11Support);
  assert alsaSupport -> alsaLib != null;
  assert screenSaverSupport -> libXScrnSaver != null;
  assert vdpauSupport -> libvdpau != null;
  assert cddaSupport -> cdparanoia != null;
  assert dvdnavSupport -> libdvdnav != null;
  assert bluraySupport -> libbluray != null;
  assert amrSupport -> (amrnb != null && amrwb != null);
  assert cacaSupport -> libcaca != null;
  assert lameSupport -> lame != null;
  assert speexSupport -> speex != null;
  assert theoraSupport -> libtheora != null;
  assert x264Support -> x264 != null;
  assert jackaudioSupport -> jackaudio != null;
  assert pulseSupport -> pulseaudio != null;
  
  
  let
  
  