Fixing the Ultrastardx build. Not tested if it works and how.

pkgs/development/libraries/ffmpeg/0.6.nix

@@ -0,0 +1,77 @@
+{ stdenv, fetchurl, pkgconfig, yasm
+, mp3Support ? true, lame ? null
+, speexSupport ? true, speex ? null
+, theoraSupport ? true, libtheora ? null
+, vorbisSupport ? true, libvorbis ? null
+, vpxSupport ? false, libvpx ? null
+, x264Support ? true, x264 ? null
+, xvidSupport ? true, xvidcore ? null
+, vdpauSupport ? true, libvdpau ? null
+, faacSupport ? false, faac ? null
+}:
+
+assert speexSupport -> speex != null;
+assert theoraSupport -> libtheora != null;
+assert vorbisSupport -> libvorbis != null;
+assert vpxSupport -> libvpx != null;
+assert x264Support -> x264 != null;
+assert xvidSupport -> xvidcore != null;
+assert vdpauSupport -> libvdpau != null;
+assert faacSupport -> faac != null;
+
+stdenv.mkDerivation rec {
+  name = "ffmpeg-0.6.7";
+
+  src = fetchurl {
+    url = "http://www.ffmpeg.org/releases/${name}.tar.bz2";
+    sha256 = "13l78gv2qhyw05bl9s6wkmykzsn4p04bb69a849a5c4hiffwz837";
+  };
+
+  # `--enable-gpl' (as well as the `postproc' and `swscale') mean that
+  # the resulting library is GPL'ed, so it can only be used in GPL'ed
+  # applications.
+  configureFlags = [
+    "--enable-gpl"
+    "--enable-postproc"
+    "--enable-swscale"
+    "--disable-ffserver"
+    "--disable-ffplay"
+    "--enable-shared"
+    "--enable-runtime-cpudetect"
+  ]
+    ++ stdenv.lib.optional mp3Support "--enable-libmp3lame"
+    ++ stdenv.lib.optional speexSupport "--enable-libspeex"
+    ++ stdenv.lib.optional theoraSupport "--enable-libtheora"
+    ++ stdenv.lib.optional vorbisSupport "--enable-libvorbis"
+    ++ stdenv.lib.optional vpxSupport "--enable-libvpx"
+    ++ stdenv.lib.optional x264Support "--enable-libx264"
+    ++ stdenv.lib.optional xvidSupport "--enable-libxvid"
+    ++ stdenv.lib.optional vdpauSupport "--enable-vdpau"
+    ++ stdenv.lib.optional faacSupport "--enable-libfaac --enable-nonfree";
+
+  buildInputs = [ pkgconfig lame yasm ]
+    ++ stdenv.lib.optional mp3Support lame
+    ++ stdenv.lib.optional speexSupport speex
+    ++ stdenv.lib.optional theoraSupport libtheora
+    ++ stdenv.lib.optional vorbisSupport libvorbis
+    ++ stdenv.lib.optional vpxSupport libvpx
+    ++ stdenv.lib.optional x264Support x264
+    ++ stdenv.lib.optional xvidSupport xvidcore
+    ++ stdenv.lib.optional vdpauSupport libvdpau
+    ++ stdenv.lib.optional faacSupport faac;
+
+  crossAttrs = {
+    dontSetConfigureCross = true;
+    configureFlags = configureFlags ++ [
+      "--cross-prefix=${stdenv.cross.config}-"
+      "--enable-cross-compile"
+      "--target_os=linux"
+      "--arch=${stdenv.cross.arch}"
+      ];
+  };
+
+  meta = {
+    homepage = http://www.ffmpeg.org/;
+    description = "A complete, cross-platform solution to record, convert and stream audio and video";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4109,6 +4109,10 @@ let
       else stdenv;
   };
 
+  ffmpeg_0_6 = callPackage ../development/libraries/ffmpeg/0.6.nix {
+    vpxSupport = !stdenv.isMips;
+  };
+
   ffmpeg_0_6_90 = callPackage ../development/libraries/ffmpeg/0.6.90.nix {
     vpxSupport = !stdenv.isMips;
   };
@@ -9530,6 +9534,7 @@ let
   ultimatestunts = callPackage ../games/ultimatestunts { };
 
   ultrastardx = callPackage ../games/ultrastardx {
+    ffmpeg = ffmpeg_0_6;
     lua = lua5;
   };