sox, ffmpeg_svn expressions added

ghcPkgUtil defines a function to create setup-hook 
- creating a packagedatabase (nix-support/package.conf)
- adding it to GHC_PACKAGE_PATH
see comments for details

svn path=/nixpkgs/trunk/; revision=9500

pkgs/applications/misc/audio/sox/default.nix

@@ -0,0 +1,58 @@
+args:
+( args.mkDerivationByConfigruation {
+    flagConfig = {
+    mandatory = { implies = [ "no_oss" "no_sun_audio" ]; };
+    # are these options of interest? We'll see
+    #--disable-fftw          disable usage of FFTW
+    #--enable-debug          enable debugging
+    #--disable-cpu-clip      disable tricky cpu specific clipper
+    alsa =              { cfgOption = "--enable-alsa"; buildInputs = "alsa"; };
+    no_alsa = { cfgOption = "--disable-alsa"; };
+    libao =             { cfgOption = "--enable-libao"; buildInputs = "libao"; };
+    no_libao = { cfgOption = "--disable-libao"; };
+    #oss =               { cfgOption = "--enable-oss"; buildInputs = "oss"; };
+    no_oss = { cfgOption = "--disable-oss"; };
+    #sun_audio =         { cfgOption = "--enable-sun-audio"; buildInputs = "sun_audio"; };
+    no_sun_audio = { cfgOption = "--disable-sun_audio"; };
+
+    # These options should be autodetected by the configure script 
+    /*
+    --without-sndfile       Don't try to use libsndfile
+    --without-ogg           Don't try to use Ogg Vorbis
+    --without-flac          Don't try to use FLAC
+    --without-ffmpeg        Don't try to use ffmpeg
+    --without-mad           Don't try to use MAD (MP3 Audio Decoder)
+    --without-lame          Don't try to use LAME (LAME Ain't an MP3 Encoder)
+    --without-amr-wb        Don't try to use amr-wb
+    --without-amr-nb        Don't try to use amr-nb
+    --without-samplerate    Don't try to use libsamplerate (aka Secret Rabbit
+                            Code)
+    --without-ladspa        Don't try to use LADSPA
+    --with-ladspa-path      Default search path for LADSPA plugins
+    */
+  };
+
+  optionals = [ "libsndfile" "libogg" "flac" "ffmpeg" "libmad" "lame" 
+                 /* "amr-wb" "amr-nb" */ 
+                "libsamplerate" /* "ladspa" */ ];
+
+
+    extraAttrs = co : {
+      name = "sox-14.0.0";
+
+      src = args.fetchurl {
+        url = mirror://sourceforge/sox/sox-14.0.0.tar.gz;
+        sha256 = "1l7v04nlvb96y0w9crvm6nq8g50yxp3bkv6nb1c205s982inlalc";
+      };
+
+    meta = {
+      description = "Sample Rate Converter for audio";
+      homepage = http://www.mega-nerd.com/SRC/index.html;
+      # you can choose one of the following licenses:
+      license = [ "GPL"
+                  { url=http://www.mega-nerd.com/SRC/libsamplerate-cul.pdf;
+                    name="libsamplerate Commercial Use License";
+                  } ];
+    };
+  };
+} ) args

pkgs/development/libraries/ffmpeg_svn_snapshot/default.nix

@@ -0,0 +1,11 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "ffmpeg-svn";
+  src = fetchurl {
+    url = http://ffmpeg.mplayerhq.hu/ffmpeg-export-snapshot.tar.bz2;
+    sha256 = "040a35f0c004323af14329c09ad3cff8d040e2cf9797d97cde3d9d83d02b4d87";
+  };
+  # !!! Hm, what are the legal consequences of --enable-gpl?
+  configureFlags = "--enable-shared --enable-pp --enable-gpl --disable-ffserver --disable-ffplay";
+}

pkgs/development/libraries/haskell/generic/ghcPkgUtil.sh

@@ -0,0 +1,33 @@
+# mantainer: Marc Weber (marco-oweber@gmx.de)
+#
+# example usage: add ghcPkgUtil to buildInputs then somewhere in buildPhase:
+#
+#  createEmptyPackageDatabaseAndSetupHook
+#  configure --with-package-db=$PACKAGE_DB
+#  ... compile ghc library ...
+# add your library to propagatedBuildInputs instead of buildInputs 
+# in all depending libraries
+
+
+
+# creates a setup hook
+# adding the package database 
+# nix-support/package.conf to GHC_PACKAGE_PATH
+# if not already contained
+setupHookRegisteringPackageDatabase(){
+  ensureDir $out/nix-support;
+  local pkgdb=$out/nix-support/package.conf
+  cat >> $out/nix-support/setup-hook << EOF
+    
+    echo \$GHC_PACKAGE_PATH | grep -l $pkgdb &> /dev/null || \
+      export GHC_PACKAGE_PATH=\$GHC_PACKAGE_PATH\${GHC_PACKAGE_PATH:+$PATH_DELIMITER}$pkgdb;
+EOF
+}
+
+# create an empty package database in which the new library can be registered. 
+createEmptyPackageDatabaseAndSetupHook(){
+  ensureDir $out/nix-support;
+  PACKAGE_DB=$out/nix-support/package.conf;
+  echo '[]' > $PACKAGE_DB";
+  setupHookRegisteringPackageDatabase
+}

pkgs/development/libraries/libsamplerate/default.nix

@@ -0,0 +1,35 @@
+args:
+( args.mkDerivationByConfigruation {
+    flagConfig = {
+      mandatory = { buildInputs = ["pkgconfig"];};
+    # are these options of interest? We'll see
+    #--disable-fftw          disable usage of FFTW
+    #--enable-debug          enable debugging
+    #--disable-cpu-clip      disable tricky cpu specific clipper
+
+    }; 
+
+    extraAttrs = co : {
+      name = "libsamplerate-0.1.2";
+
+      src = args.fetchurl {
+        url = http://www.mega-nerd.com/SRC/libsamplerate-0.1.2.tar.gz;
+        sha256 = "1m1iwzpcny42kcqv5as2nyb0ggrb56wzckpximqpp2y74dipdf4q";
+      };
+
+    configurePhase = "
+     export LIBSAMPLERATE_CFLAGS=\"-I \$libsamplerate/include\"
+     export LIBSAMPLERATE_LIBS=\"-L \$libsamplerate/libs\"
+     ./configure --prefix=\$out"+co.configureFlags;
+
+    meta = { 
+      description = "Sample Rate Converter for audio";
+      homepage = http://www.mega-nerd.com/SRC/index.html;
+      # you can choose one of the following licenses: 
+      license = [ "GPL" 
+                  { url=http://www.mega-nerd.com/SRC/libsamplerate-cul.pdf; 
+                    name="libsamplerate Commercial Use License";
+                  } ];
+    };
+  };
+} ) args

pkgs/top-level/all-packages.nix

@@ -1562,6 +1562,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  ffmpeg_svn = import ../development/libraries/ffmpeg_svn_snapshot {
+    inherit fetchurl stdenv;
+  };
+
 
   # commented out because it's using the new configuration style proposal which is unstable
   # needs some testing ..
@@ -1808,6 +1812,11 @@ rec {
     inherit fetchurl stdenv pkgconfig libusb;
   };
 
+  # commented out because it's using the new configuration style proposal which is unstable
+  #libsamplerate = (import ../development/libraries/libsamplerate) {
+  #  inherit fetchurl stdenv mkDerivationByConfigruation pkgconfig lib;
+  #};
+
   libgsf = import ../development/libraries/libgsf {
     inherit fetchurl stdenv perl perlXMLParser pkgconfig libxml2 gettext;
     inherit (gnome) glib;
@@ -2231,6 +2240,11 @@ rec {
 
   ### DEVELOPMENT / LIBRARIES / HASKELL
 
+  # usage: see ghcPkgUtil.sh - use setup-new2 because of PATH_DELIMITER
+  ghcPkgUtil = runCommand "ghcPkgUtil-internal" 
+     { ghcPkgUtil = ../development/libraries/haskell/generic/ghcPkgUtil.sh; }
+     "mkdir -p $out/nix-support; cp $ghcPkgUtil \$out/nix-support/setup-hook;";
+
 
   uulib64 = import ../development/libraries/haskell/uulib { # !!! remove?
     inherit stdenv fetchurl ghc;
@@ -3806,6 +3820,21 @@ rec {
     inherit (xlibs) libXmu;
   };
 
+  # commented out because it's using the new configuration style proposal which is unstable
+  /*
+  sox = import ../applications/misc/audio/sox {
+    inherit fetchurl stdenv lib mkDerivationByConfigruation;
+    # optional features 
+    inherit alsaLib /*libao*/;
+    inherit libsndfile libogg flac libmad lame libsamplerate;
+     # Using the default nix ffmpeg I get this error when linking
+     # .libs/libsox_la-ffmpeg.o: In function `audio_decode_frame':
+     # /tmp/nix-7957-1/sox-14.0.0/src/ffmpeg.c:130: undefined reference to `avcodec_decode_audio2
+     # That's why I'v added ffmpeg_svn
+    ffmpeg = ffmpeg_svn;
+  };
+  */
+
   spoofax = import ../applications/editors/eclipse/plugins/spoofax {
     inherit fetchurl stdenv;
   };