{
  config,
  lib,
  stdenv,
  fetchurl,
  fetchsvn,
  pkg-config,
  freetype,
  yasm,
  ffmpeg,
  aalibSupport ? true,
  aalib,
  fontconfigSupport ? true,
  fontconfig,
  freefont_ttf,
  fribidiSupport ? true,
  fribidi,
  x11Support ? true,
  libX11,
  libXext,
  libGLU,
  libGL,
  xineramaSupport ? true,
  libXinerama,
  xvSupport ? true,
  libXv,
  alsaSupport ? stdenv.hostPlatform.isLinux,
  alsa-lib,
  screenSaverSupport ? true,
  libXScrnSaver,
  vdpauSupport ? false,
  libvdpau,
  cddaSupport ? !stdenv.hostPlatform.isDarwin,
  cdparanoia,
  dvdnavSupport ? !stdenv.hostPlatform.isDarwin,
  libdvdnav,
  dvdreadSupport ? true,
  libdvdread,
  bluraySupport ? true,
  libbluray,
  amrSupport ? false,
  amrnb,
  amrwb,
  cacaSupport ? true,
  libcaca,
  lameSupport ? true,
  lame,
  speexSupport ? true,
  speex,
  theoraSupport ? true,
  libtheora,
  x264Support ? false,
  x264,
  jackaudioSupport ? false,
  libjack2,
  pulseSupport ? config.pulseaudio or false,
  libpulseaudio,
  bs2bSupport ? false,
  libbs2b,
  v4lSupport ? false,
  libv4l,
  # For screenshots
  libpngSupport ? true,
  libpng,
  libjpegSupport ? true,
  libjpeg,
  useUnfreeCodecs ? false,
  buildPackages,
}:

assert xineramaSupport -> x11Support;
assert xvSupport -> x11Support;

let

  codecs_src =
    let
      dir = "http://www.mplayerhq.hu/MPlayer/releases/codecs/";
      version = "20071007";
    in
    if stdenv.hostPlatform.system == "i686-linux" then
      fetchurl {
        url = "${dir}/essential-${version}.tar.bz2";
        sha256 = "18vls12n12rjw0mzw4pkp9vpcfmd1c21rzha19d7zil4hn7fs2ic";
      }
    else if stdenv.hostPlatform.system == "x86_64-linux" then
      fetchurl {
        url = "${dir}/essential-amd64-${version}.tar.bz2";
        sha256 = "13xf5b92w1ra5hw00ck151lypbmnylrnznq9hhb0sj36z5wz290x";
      }
    else if stdenv.hostPlatform.system == "powerpc-linux" then
      fetchurl {
        url = "${dir}/essential-ppc-${version}.tar.bz2";
        sha256 = "18mlj8dp4wnz42xbhdk1jlz2ygra6fbln9wyrcyvynxh96g1871z";
      }
    else
      null;

  codecs =
    if codecs_src != null then
      stdenv.mkDerivation {
        pname = "MPlayer-codecs-essential";

        src = codecs_src;

        installPhase = ''
          mkdir $out
          cp -prv * $out
        '';

        meta.license = lib.licenses.unfree;
      }
    else
      null;

  crossBuild = stdenv.hostPlatform != stdenv.buildPlatform;

in

stdenv.mkDerivation {
  pname = "mplayer";
  version = "1.5-unstable-2024-12-21";

  src = fetchsvn {
    url = "svn://svn.mplayerhq.hu/mplayer/trunk";
    rev = "38668";
    hash = "sha256-ezWYBkhiSBgf/SeTrO6sKGbL/IrX+82KXCIlqYMEtgY=";
  };

  prePatch = ''
    sed -i /^_install_strip/d configure

    rm -rf ffmpeg
  '';

  depsBuildBuild = [ buildPackages.stdenv.cc ];
  nativeBuildInputs = [
    pkg-config
    yasm
  ];
  buildInputs = [
    freetype
    ffmpeg
  ]
  ++ lib.optional aalibSupport aalib
  ++ lib.optional fontconfigSupport fontconfig
  ++ lib.optional fribidiSupport fribidi
  ++ lib.optionals x11Support [
    libX11
    libXext
    libGLU
    libGL
  ]
  ++ lib.optional alsaSupport alsa-lib
  ++ lib.optional xvSupport libXv
  ++ lib.optional theoraSupport libtheora
  ++ lib.optional cacaSupport libcaca
  ++ lib.optional xineramaSupport libXinerama
  ++ lib.optional dvdnavSupport libdvdnav
  ++ lib.optional dvdreadSupport libdvdread
  ++ lib.optional bluraySupport libbluray
  ++ lib.optional cddaSupport cdparanoia
  ++ lib.optional jackaudioSupport libjack2
  ++ lib.optionals amrSupport [
    amrnb
    amrwb
  ]
  ++ lib.optional x264Support x264
  ++ lib.optional pulseSupport libpulseaudio
  ++ lib.optional screenSaverSupport libXScrnSaver
  ++ lib.optional lameSupport lame
  ++ lib.optional vdpauSupport libvdpau
  ++ lib.optional speexSupport speex
  ++ lib.optional libpngSupport libpng
  ++ lib.optional libjpegSupport libjpeg
  ++ lib.optional bs2bSupport libbs2b
  ++ lib.optional v4lSupport libv4l;

  configurePlatforms = [ ];
  configureFlags = [
    "--enable-freetype"
    (if fontconfigSupport then "--enable-fontconfig" else "--disable-fontconfig")
    (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 "" else "--disable-jack")
    (if pulseSupport then "--enable-pulse" else "--disable-pulse")
    (if v4lSupport then "--enable-v4l2 --enable-tv-v4l2" else "--disable-v4l2 --disable-tv-v4l2")
    "--disable-xanim"
    "--disable-xvid --disable-xvid-lavc"
    "--disable-ossaudio"
    "--disable-ffmpeg_a"
    "--yasm=${buildPackages.yasm}/bin/yasm"
    # Note, the `target` vs `host` confusion is intentional.
    "--target=${stdenv.hostPlatform.config}"
  ]
  ++ lib.optional (useUnfreeCodecs && codecs != null && !crossBuild) "--codecsdir=${codecs}"
  ++ lib.optional (stdenv.hostPlatform.isx86 && !crossBuild) "--enable-runtime-cpudetection"
  ++ lib.optional fribidiSupport "--enable-fribidi"
  ++ lib.optional (stdenv.hostPlatform.isLinux && !stdenv.hostPlatform.isAarch64) "--enable-vidix"
  ++ lib.optional stdenv.hostPlatform.isLinux "--enable-fbdev"
  ++ lib.optionals crossBuild [
    "--enable-cross-compile"
    "--disable-vidix-pcidb"
    "--with-vidix-drivers=no"
  ];

  preConfigure = ''
    configureFlagsArray+=(
      "--cc=$CC"
      "--host-cc=$CC_FOR_BUILD"
      "--as=$AS"
      "--nm=$NM"
      "--ar=$AR"
      "--ranlib=$RANLIB"
      "--windres=$WINDRES"
    )
  '';

  postConfigure = ''
    echo CONFIG_MPEGAUDIODSP=yes >> config.mak
  '';

  # Fixes compilation with newer versions of clang that make these warnings errors by default.
  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-int-conversion -Wno-incompatible-function-pointer-types";

  NIX_LDFLAGS = toString (
    lib.optional fontconfigSupport "-lfontconfig"
    ++ lib.optional fribidiSupport "-lfribidi"
    ++ lib.optionals x11Support [
      "-lX11"
      "-lXext"
    ]
    ++ lib.optional x264Support "-lx264"
    ++ [ "-lfreetype" ]
  );

  installTargets = [ "install" ] ++ lib.optional x11Support "install-gui";

  enableParallelBuilding = true;

  # Provide a reasonable standard font when not using fontconfig. Maybe we should symlink here.
  postInstall = lib.optionalString (!fontconfigSupport) ''
    mkdir -p $out/share/mplayer
    cp ${freefont_ttf}/share/fonts/truetype/FreeSans.ttf $out/share/mplayer/subfont.ttf
    if test -f $out/share/applications/mplayer.desktop ; then
      echo "NoDisplay=True" >> $out/share/applications/mplayer.desktop
    fi
  '';

  meta = with lib; {
    description = "Movie player that supports many video formats";
    homepage = "http://mplayerhq.hu";
    license = licenses.gpl2Only;
    # Picking it up: no idea about the origin of some choices (but seems fine)
    maintainers = [ maintainers.raskin ];
    platforms = [
      "i686-linux"
      "x86_64-linux"
      "x86_64-darwin"
      "aarch64-darwin"
      "aarch64-linux"
    ];
  };
}
