add ir.lv2, a convolution plugin.

pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix

@@ -0,0 +1,64 @@
+{ stdenv, fetchurl , alsaLib, }:
+
+stdenv.mkDerivation rec {
+  name = "zita-alsa-pcmi-${version}";
+  version = "0.2.0";
+  src = fetchurl {
+    url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
+    sha256 = "1rgv332g82rrrlm4vdam6p2pyrisxbi7b3izfaa0pcjglafsy7j9";
+  };
+
+  buildInputs = [ alsaLib ];
+
+  buildPhase = ''
+    cd libs
+    make PREFIX="$out"
+
+    # create lib link for building apps
+    ln -s libzita-alsa-pcmi.so.$version libzita-alsa-pcmi.so
+
+    # apps
+    cd ../apps
+    CXXFLAGS+=" -I../libs" \
+    LDFLAGS+=" -L../libs" \
+    make PREFIX="$out"
+  '';
+
+  installPhase = ''
+    mkdir "$out"
+    mkdir "$out/lib"
+    mkdir "$out/include"
+    mkdir "$out/bin"
+
+    cd ../libs
+
+    # libs
+    install -Dm755 libzita-alsa-pcmi.so.$version \
+      "$out/lib/libzita-alsa-pcmi.so.$version"
+
+    # link
+    ln -s libzita-alsa-pcmi.so.$version \
+      "$out/lib/libzita-alsa-pcmi.so"
+    ln -s libzita-alsa-pcmi.so.$version \
+      "$out/lib/libzita-alsa-pcmi.so.0"
+
+    # header
+    install -Dm644 zita-alsa-pcmi.h \
+      "$out/include/zita-alsa-pcmi.h"
+
+    # apps
+    install -Dm755 ../apps/alsa_delay \
+      "$out/bin/alsa_delay"
+    install -Dm755 ../apps/alsa_loopback \
+      "$out/bin/alsa_delay"
+  '';
+
+  meta = {
+    description = "The successor of clalsadrv, provides easy access to ALSA PCM devices";
+    version = "${version}";
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
+    license = stdenv.lib.licenses.gpl3;
+    maintainers = [ stdenv.lib.maintainers.magnetophon ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/development/libraries/audio/zita-convolver/default.nix

@@ -0,0 +1,33 @@
+{ stdenv, fetchurl, fftwFloat }:
+
+stdenv.mkDerivation rec {
+  name = "zita-convolver-${version}";
+  version = "3.1.0";
+  src = fetchurl {
+    url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
+    sha256 = "14qrnczhp5mbwhky64il7kxc4hl1mmh495v60va7i2qnhasr6zmz";
+  };
+
+  buildInputs = [ fftwFloat ];
+
+  patchPhase = ''
+    cd libs
+    sed -e "s@ldconfig@@" -i Makefile
+  '';
+
+  installPhase = ''
+    make PREFIX="$out" SUFFIX="" install
+
+    # create lib link for building apps
+    ln -s $out/lib/libzita-convolver.so.$version $out/lib/libzita-convolver.so.3
+  '';
+
+  meta = {
+    description = "Convolution library by Fons Adriaensen";
+    version = "${version}";
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
+    license = stdenv.lib.licenses.gpl2;
+    maintainers = [ stdenv.lib.maintainers.magnetophon ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}